diff --git a/apis/ec2/src/main/java/org/jclouds/ec2/compute/functions/RunningInstanceToNodeMetadata.java b/apis/ec2/src/main/java/org/jclouds/ec2/compute/functions/RunningInstanceToNodeMetadata.java
index 731999357f..a134ec036e 100644
--- a/apis/ec2/src/main/java/org/jclouds/ec2/compute/functions/RunningInstanceToNodeMetadata.java
+++ b/apis/ec2/src/main/java/org/jclouds/ec2/compute/functions/RunningInstanceToNodeMetadata.java
@@ -196,7 +196,7 @@ public class RunningInstanceToNodeMetadata implements Function<RunningInstance,
 
    @VisibleForTesting
    String getGroupForInstance(final RunningInstance instance) {
-      String group = parseGroupFrom(instance, instance.getGroupIds());
+      String group = parseGroupFrom(instance, instance.getGroupNames());
       if(group == null && instance.getKeyName() != null) {
          // when not using a generated security group, e.g. in VPC, try from key:
          group = parseGroupFrom(instance, Sets.newHashSet(instance.getKeyName()));
diff --git a/apis/ec2/src/main/java/org/jclouds/ec2/domain/Reservation.java b/apis/ec2/src/main/java/org/jclouds/ec2/domain/Reservation.java
index 48f6d06190..7ce47eb0b9 100644
--- a/apis/ec2/src/main/java/org/jclouds/ec2/domain/Reservation.java
+++ b/apis/ec2/src/main/java/org/jclouds/ec2/domain/Reservation.java
@@ -20,27 +20,119 @@ package org.jclouds.ec2.domain;
 
 import static com.google.common.base.Preconditions.checkNotNull;
 
-import java.util.LinkedHashSet;
 import java.util.Set;
 
 import org.jclouds.javax.annotation.Nullable;
 
-import com.google.common.collect.Iterables;
-import com.google.common.collect.Sets;
+import com.google.common.base.Objects;
+import com.google.common.collect.ComparisonChain;
+import com.google.common.collect.ForwardingSet;
+import com.google.common.collect.ImmutableSet;
+import com.google.common.collect.Ordering;
 
 /**
  * 
- * @see <a href="http://docs.amazonwebservices.com/AWSEC2/latest/APIReference/ApiReference-ItemType-ReservationInfoType.html"
+ * @see <a href=
+ *      "http://docs.amazonwebservices.com/AWSEC2/latest/APIReference/ApiReference-ItemType-ReservationInfoType.html"
  *      />
  * @author Adrian Cole
  */
-public class Reservation<T extends RunningInstance> extends LinkedHashSet<T> implements Comparable<Reservation<T>>,
-         Set<T> {
+public class Reservation<T extends RunningInstance> extends ForwardingSet<T> implements Comparable<Reservation<T>>{
+
+   public static <T extends RunningInstance> Builder<T> builder() {
+      return new Builder<T>();
+   }
+
+   public Builder<T> toBuilder() {
+      return Reservation.<T> builder().fromReservation(this);
+   }
+
+   public static class Builder<T extends RunningInstance> {
+      private String region;
+      private String ownerId;
+      private String requesterId;
+      private String reservationId;
+
+      private ImmutableSet.Builder<T> instances = ImmutableSet.<T> builder();
+      private ImmutableSet.Builder<String> groupNames = ImmutableSet.<String> builder();
+
+      /**
+       * @see Reservation#getRegion()
+       */
+      public Builder<T> region(String region) {
+         this.region = region;
+         return this;
+      }
+
+      /**
+       * @see Reservation#getOwnerId()
+       */
+      public Builder<T> ownerId(String ownerId) {
+         this.ownerId = ownerId;
+         return this;
+      }
+
+      /**
+       * @see Reservation#getRequesterId()
+       */
+      public Builder<T> requesterId(String requesterId) {
+         this.requesterId = requesterId;
+         return this;
+      }
+
+      /**
+       * @see Reservation#getReservationId()
+       */
+      public Builder<T> reservationId(String reservationId) {
+         this.reservationId = reservationId;
+         return this;
+      }
+
+      /**
+       * @see Reservation#iterator
+       */
+      public Builder<T> instance(T instance) {
+         this.instances.add(checkNotNull(instance, "instance"));
+         return this;
+      }
+
+      /**
+       * @see Reservation#iterator
+       */
+      public Builder<T> instances(Set<T> instances) {
+         this.instances.addAll(checkNotNull(instances, "instances"));
+         return this;
+      }
+
+      /**
+       * @see Reservation#getGroupNames()
+       */
+      public Builder<T> groupName(String groupName) {
+         this.groupNames.add(checkNotNull(groupName, "groupName"));
+         return this;
+      }
+
+      /**
+       * @see Reservation#getGroupNames()
+       */
+      public Builder<T> groupNames(Iterable<String> groupNames) {
+         this.groupNames = ImmutableSet.<String> builder().addAll(checkNotNull(groupNames, "groupNames"));
+         return this;
+      }
+
+      public Reservation<T> build() {
+         return new Reservation<T>(region, groupNames.build(), instances.build(), ownerId, requesterId, reservationId);
+      }
+
+      public Builder<T> fromReservation(Reservation<T> in) {
+         return region(in.region).ownerId(in.ownerId).requesterId(in.requesterId).reservationId(in.reservationId)
+                  .instances(in).groupNames(in.groupNames);
+      }
+   }
 
-   /** The serialVersionUID */
-   private static final long serialVersionUID = -9051777593518861395L;
    private final String region;
-   private final Set<String> groupIds = Sets.newLinkedHashSet();
+   private final ImmutableSet<String> groupNames;
+   private final ImmutableSet<T> instances;
    @Nullable
    private final String ownerId;
    @Nullable
@@ -48,16 +140,21 @@ public class Reservation<T extends RunningInstance> extends LinkedHashSet<T> imp
    @Nullable
    private final String reservationId;
 
-   public Reservation(String region, Iterable<String> groupIds, Iterable<T> instances, @Nullable String ownerId,
+   public Reservation(String region, Iterable<String> groupNames, Iterable<T> instances, @Nullable String ownerId,
             @Nullable String requesterId, @Nullable String reservationId) {
       this.region = checkNotNull(region, "region");
-      Iterables.addAll(this.groupIds, checkNotNull(groupIds, "groupIds"));
-      Iterables.addAll(this, checkNotNull(instances, "instances"));
+      this.groupNames = ImmutableSet.copyOf(checkNotNull(groupNames, "groupNames"));
+      this.instances = ImmutableSet.copyOf(checkNotNull(instances, "instances"));
       this.ownerId = ownerId;
       this.requesterId = requesterId;
       this.reservationId = reservationId;
    }
 
+   @Override
+   protected Set<T> delegate() {
+      return instances;
+   }
+
    /**
     * Instances are tied to Availability Zones. However, the instance ID is tied to the Region.
     */
@@ -65,15 +162,19 @@ public class Reservation<T extends RunningInstance> extends LinkedHashSet<T> imp
       return region;
    }
 
-   public int compareTo(Reservation<T> o) {
-      return (this == o) ? 0 : getReservationId().compareTo(o.getReservationId());
+   /**
+    * @see #getGroupNames()
+    */
+   @Deprecated
+   public Set<String> getGroupIds() {
+      return groupNames;
    }
-
+   
    /**
     * Names of the security groups.
     */
-   public Set<String> getGroupIds() {
-      return groupIds;
+   public Set<String> getGroupNames() {
+      return groupNames;
    }
 
    /**
@@ -84,7 +185,8 @@ public class Reservation<T extends RunningInstance> extends LinkedHashSet<T> imp
    }
 
    /**
-    * ID of the requester.
+    * The ID of the requester that launched the instances on your behalf (for example, AWS
+    * Management Console or Auto Scaling).
     */
    public String getRequesterId() {
       return requesterId;
@@ -99,51 +201,34 @@ public class Reservation<T extends RunningInstance> extends LinkedHashSet<T> imp
 
    @Override
    public int hashCode() {
-      final int prime = 31;
-      int result = super.hashCode();
-      result = prime * result + ((groupIds == null) ? 0 : groupIds.hashCode());
-      result = prime * result + ((ownerId == null) ? 0 : ownerId.hashCode());
-      result = prime * result + ((region == null) ? 0 : region.hashCode());
-      result = prime * result + ((requesterId == null) ? 0 : requesterId.hashCode());
-      result = prime * result + ((reservationId == null) ? 0 : reservationId.hashCode());
-      return result;
+      return Objects.hashCode(region, reservationId, super.hashCode());
    }
 
    @Override
    public boolean equals(Object obj) {
       if (this == obj)
          return true;
-      if (!super.equals(obj))
+      if (obj == null || getClass() != obj.getClass())
          return false;
-      if (getClass() != obj.getClass())
-         return false;
-      Reservation<?> other = (Reservation<?>) obj;
-      if (groupIds == null) {
-         if (other.groupIds != null)
-            return false;
-      } else if (!groupIds.equals(other.groupIds))
-         return false;
-      if (ownerId == null) {
-         if (other.ownerId != null)
-            return false;
-      } else if (!ownerId.equals(other.ownerId))
-         return false;
-      if (region == null) {
-         if (other.region != null)
-            return false;
-      } else if (!region.equals(other.region))
-         return false;
-      if (requesterId == null) {
-         if (other.requesterId != null)
-            return false;
-      } else if (!requesterId.equals(other.requesterId))
-         return false;
-      if (reservationId == null) {
-         if (other.reservationId != null)
-            return false;
-      } else if (!reservationId.equals(other.reservationId))
-         return false;
-      return true;
+      @SuppressWarnings("unchecked")
+      Reservation<T> that = Reservation.class.cast(obj);
+      return super.equals(that) && Objects.equal(this.region, that.region)
+               && Objects.equal(this.reservationId, that.reservationId);
+   }
+
+   /**
+    * {@inheritDoc}
+    */
+   @Override
+   public String toString() {
+      return Objects.toStringHelper(this).omitNullValues().add("region", region).add("reservationId", reservationId)
+               .add("requesterId", requesterId).add("instances", instances).add("groupNames", groupNames).toString();
+   }
+
+   @Override
+   public int compareTo(Reservation<T> other) {
+      return ComparisonChain.start().compare(region, other.region)
+               .compare(reservationId, other.reservationId, Ordering.natural().nullsLast()).result();
    }
 
 }
diff --git a/apis/ec2/src/main/java/org/jclouds/ec2/domain/RunningInstance.java b/apis/ec2/src/main/java/org/jclouds/ec2/domain/RunningInstance.java
index 0a11cb68ba..a1573793f0 100644
--- a/apis/ec2/src/main/java/org/jclouds/ec2/domain/RunningInstance.java
+++ b/apis/ec2/src/main/java/org/jclouds/ec2/domain/RunningInstance.java
@@ -26,9 +26,13 @@ import java.util.Set;
 
 import org.jclouds.javax.annotation.Nullable;
 
+import com.google.common.base.Objects;
+import com.google.common.base.Objects.ToStringHelper;
+import com.google.common.collect.ComparisonChain;
 import com.google.common.collect.ImmutableMap;
 import com.google.common.collect.ImmutableSet;
 import com.google.common.collect.Maps;
+import com.google.common.collect.Ordering;
 import com.google.common.collect.Sets;
 
 /**
@@ -44,7 +48,7 @@ public class RunningInstance implements Comparable<RunningInstance> {
 
    public static class Builder {
       protected String region;
-      protected Set<String> groupIds = Sets.newLinkedHashSet();
+      protected Set<String> groupNames = Sets.newLinkedHashSet();
       protected String amiLaunchIndex;
       protected String dnsName;
       protected String imageId;
@@ -72,14 +76,14 @@ public class RunningInstance implements Comparable<RunningInstance> {
          return this;
       }
 
-      public Builder groupIds(Iterable<String> groupIds) {
-         this.groupIds = ImmutableSet.copyOf(checkNotNull(groupIds, "groupIds"));
+      public Builder groupNames(Iterable<String> groupNames) {
+         this.groupNames = ImmutableSet.copyOf(checkNotNull(groupNames, "groupNames"));
          return this;
       }
 
-      public Builder groupId(String groupId) {
-         if (groupId != null)
-            this.groupIds.add(groupId);
+      public Builder groupName(String groupName) {
+         if (groupName != null)
+            this.groupNames.add(groupName);
          return this;
       }
 
@@ -195,7 +199,7 @@ public class RunningInstance implements Comparable<RunningInstance> {
       }
 
       public RunningInstance build() {
-         return new RunningInstance(region, groupIds, amiLaunchIndex, dnsName, imageId, instanceId, instanceState,
+         return new RunningInstance(region, groupNames, amiLaunchIndex, dnsName, imageId, instanceId, instanceState,
                   rawState, instanceType, ipAddress, kernelId, keyName, launchTime, availabilityZone,
                   virtualizationType, platform, privateDnsName, privateIpAddress, ramdiskId, reason, rootDeviceType,
                   rootDeviceName, ebsBlockDevices);
@@ -220,7 +224,7 @@ public class RunningInstance implements Comparable<RunningInstance> {
    }
 
    protected final String region;
-   protected final Set<String> groupIds;
+   protected final Set<String> groupNames;
    protected final String amiLaunchIndex;
    @Nullable
    protected final String dnsName;
@@ -253,11 +257,7 @@ public class RunningInstance implements Comparable<RunningInstance> {
    protected final String rootDeviceName;
    protected final Map<String, BlockDevice> ebsBlockDevices;
 
-   public int compareTo(RunningInstance o) {
-      return (this == o) ? 0 : getId().compareTo(o.getId());
-   }
-
-   protected RunningInstance(String region, Iterable<String> groupIds, @Nullable String amiLaunchIndex,
+   protected RunningInstance(String region, Iterable<String> groupNames, @Nullable String amiLaunchIndex,
             @Nullable String dnsName, String imageId, String instanceId, InstanceState instanceState, String rawState,
             String instanceType, @Nullable String ipAddress, @Nullable String kernelId, @Nullable String keyName,
             Date launchTime, String availabilityZone, String virtualizationType, @Nullable String platform,
@@ -286,7 +286,7 @@ public class RunningInstance implements Comparable<RunningInstance> {
       this.rootDeviceType = checkNotNull(rootDeviceType, "rootDeviceType for %s/%s", region, instanceId);
       this.rootDeviceName = rootDeviceName;
       this.ebsBlockDevices = ImmutableMap.copyOf(checkNotNull(ebsBlockDevices, "ebsBlockDevices for %s/%s", region, instanceId));
-      this.groupIds = ImmutableSet.copyOf(checkNotNull(groupIds, "groupIds for %s/%s", region, instanceId));
+      this.groupNames = ImmutableSet.copyOf(checkNotNull(groupNames, "groupNames for %s/%s", region, instanceId));
    }
 
    /**
@@ -443,160 +443,55 @@ public class RunningInstance implements Comparable<RunningInstance> {
       return ebsBlockDevices;
    }
 
+   /**
+    * @see #getGroupNames()
+    */
+   @Deprecated
+   public Set<String> getGroupIds() {
+      return getGroupNames();
+   }
+   
    /**
     * Names of the security groups.
     */
-   public Set<String> getGroupIds() {
-      return groupIds;
+   public Set<String> getGroupNames() {
+      return groupNames;
    }
 
+   @Override
+   public int compareTo(RunningInstance other) {
+      return ComparisonChain.start().compare(region, other.region).compare(instanceId, other.instanceId, Ordering.natural().nullsLast()).result();
+   }
+   
    @Override
    public int hashCode() {
-      final int prime = 31;
-      int result = 1;
-      result = prime * result + ((amiLaunchIndex == null) ? 0 : amiLaunchIndex.hashCode());
-      result = prime * result + ((availabilityZone == null) ? 0 : availabilityZone.hashCode());
-      result = prime * result + ((dnsName == null) ? 0 : dnsName.hashCode());
-      result = prime * result + ((ebsBlockDevices == null) ? 0 : ebsBlockDevices.hashCode());
-      result = prime * result + ((groupIds == null) ? 0 : groupIds.hashCode());
-      result = prime * result + ((imageId == null) ? 0 : imageId.hashCode());
-      result = prime * result + ((instanceId == null) ? 0 : instanceId.hashCode());
-      result = prime * result + ((instanceType == null) ? 0 : instanceType.hashCode());
-      result = prime * result + ((ipAddress == null) ? 0 : ipAddress.hashCode());
-      result = prime * result + ((kernelId == null) ? 0 : kernelId.hashCode());
-      result = prime * result + ((keyName == null) ? 0 : keyName.hashCode());
-      result = prime * result + ((launchTime == null) ? 0 : launchTime.hashCode());
-      result = prime * result + ((platform == null) ? 0 : platform.hashCode());
-      result = prime * result + ((privateDnsName == null) ? 0 : privateDnsName.hashCode());
-      result = prime * result + ((privateIpAddress == null) ? 0 : privateIpAddress.hashCode());
-      result = prime * result + ((ramdiskId == null) ? 0 : ramdiskId.hashCode());
-      result = prime * result + ((region == null) ? 0 : region.hashCode());
-      result = prime * result + ((rootDeviceName == null) ? 0 : rootDeviceName.hashCode());
-      result = prime * result + ((rootDeviceType == null) ? 0 : rootDeviceType.hashCode());
-      result = prime * result + ((virtualizationType == null) ? 0 : virtualizationType.hashCode());
-      return result;
+      return Objects.hashCode(region, instanceId);
    }
 
    @Override
    public boolean equals(Object obj) {
       if (this == obj)
          return true;
-      if (obj == null)
+      if (obj == null || getClass() != obj.getClass())
          return false;
-      if (getClass() != obj.getClass())
-         return false;
-      RunningInstance other = (RunningInstance) obj;
-      if (amiLaunchIndex == null) {
-         if (other.amiLaunchIndex != null)
-            return false;
-      } else if (!amiLaunchIndex.equals(other.amiLaunchIndex))
-         return false;
-      if (availabilityZone == null) {
-         if (other.availabilityZone != null)
-            return false;
-      } else if (!availabilityZone.equals(other.availabilityZone))
-         return false;
-      if (dnsName == null) {
-         if (other.dnsName != null)
-            return false;
-      } else if (!dnsName.equals(other.dnsName))
-         return false;
-      if (ebsBlockDevices == null) {
-         if (other.ebsBlockDevices != null)
-            return false;
-      } else if (!ebsBlockDevices.equals(other.ebsBlockDevices))
-         return false;
-      if (groupIds == null) {
-         if (other.groupIds != null)
-            return false;
-      } else if (!groupIds.equals(other.groupIds))
-         return false;
-      if (imageId == null) {
-         if (other.imageId != null)
-            return false;
-      } else if (!imageId.equals(other.imageId))
-         return false;
-      if (instanceId == null) {
-         if (other.instanceId != null)
-            return false;
-      } else if (!instanceId.equals(other.instanceId))
-         return false;
-      if (instanceType == null) {
-         if (other.instanceType != null)
-            return false;
-      } else if (!instanceType.equals(other.instanceType))
-         return false;
-      if (ipAddress == null) {
-         if (other.ipAddress != null)
-            return false;
-      } else if (!ipAddress.equals(other.ipAddress))
-         return false;
-      if (kernelId == null) {
-         if (other.kernelId != null)
-            return false;
-      } else if (!kernelId.equals(other.kernelId))
-         return false;
-      if (keyName == null) {
-         if (other.keyName != null)
-            return false;
-      } else if (!keyName.equals(other.keyName))
-         return false;
-      if (launchTime == null) {
-         if (other.launchTime != null)
-            return false;
-      } else if (!launchTime.equals(other.launchTime))
-         return false;
-      if (platform == null) {
-         if (other.platform != null)
-            return false;
-      } else if (!platform.equals(other.platform))
-         return false;
-      if (privateDnsName == null) {
-         if (other.privateDnsName != null)
-            return false;
-      } else if (!privateDnsName.equals(other.privateDnsName))
-         return false;
-      if (privateIpAddress == null) {
-         if (other.privateIpAddress != null)
-            return false;
-      } else if (!privateIpAddress.equals(other.privateIpAddress))
-         return false;
-      if (ramdiskId == null) {
-         if (other.ramdiskId != null)
-            return false;
-      } else if (!ramdiskId.equals(other.ramdiskId))
-         return false;
-      if (region == null) {
-         if (other.region != null)
-            return false;
-      } else if (!region.equals(other.region))
-         return false;
-      if (rootDeviceName == null) {
-         if (other.rootDeviceName != null)
-            return false;
-      } else if (!rootDeviceName.equals(other.rootDeviceName))
-         return false;
-      if (rootDeviceType == null) {
-         if (other.rootDeviceType != null)
-            return false;
-      } else if (!rootDeviceType.equals(other.rootDeviceType))
-         return false;
-      if (virtualizationType == null) {
-         if (other.virtualizationType != null)
-            return false;
-      } else if (!virtualizationType.equals(other.virtualizationType))
-         return false;
-      return true;
+      RunningInstance that = RunningInstance.class.cast(obj);
+      return Objects.equal(this.region, that.region) && Objects.equal(this.instanceId, that.instanceId);
+   }
+
+   protected ToStringHelper string() {
+      return Objects.toStringHelper(this).omitNullValues().add("region", region)
+               .add("availabilityZone", availabilityZone).add("id", instanceId).add("state", rawState)
+               .add("type", instanceType).add("virtualizationType", virtualizationType).add("imageId", imageId)
+               .add("ipAddress", ipAddress).add("dnsName", dnsName).add("privateIpAddress", privateIpAddress)
+               .add("privateDnsName", privateDnsName).add("keyName", keyName).add("groupNames", groupNames)
+               .add("platform", platform).add("launchTime", launchTime).add("rootDeviceName", rootDeviceName)
+               .add("rootDeviceType", rootDeviceType).add("ebsBlockDevices", ebsBlockDevices);
    }
 
    @Override
    public String toString() {
-      return "[region=" + region + ", availabilityZone=" + availabilityZone + ", instanceId=" + instanceId
-               + ", instanceState=" + rawState + ", instanceType=" + instanceType + ", virtualizationType="
-               + virtualizationType + ", imageId=" + imageId + ", ipAddress=" + ipAddress + ", dnsName=" + dnsName
-               + ", privateIpAddress=" + privateIpAddress + ", privateDnsName=" + privateDnsName + ", keyName="
-               + keyName + ", groupIds=" + groupIds  + ", platform=" + platform + ", launchTime=" + launchTime + ", rootDeviceName="
-               + rootDeviceName + ", rootDeviceType=" + rootDeviceType + ", ebsBlockDevices=" + ebsBlockDevices + "]";
+      return string().toString();
    }
 
+
 }
diff --git a/apis/ec2/src/main/java/org/jclouds/ec2/xml/BaseReservationHandler.java b/apis/ec2/src/main/java/org/jclouds/ec2/xml/BaseReservationHandler.java
index 33cb755acd..56ef8201a5 100644
--- a/apis/ec2/src/main/java/org/jclouds/ec2/xml/BaseReservationHandler.java
+++ b/apis/ec2/src/main/java/org/jclouds/ec2/xml/BaseReservationHandler.java
@@ -80,7 +80,7 @@ public abstract class BaseReservationHandler<T> extends HandlerForGeneratedReque
    private String deviceName;
 
    // reservation stuff
-   private Set<String> groupIds = Sets.newLinkedHashSet();
+   private Set<String> groupNames = Sets.newLinkedHashSet();
    private String ownerId;
    private String requesterId;
    private String reservationId;
@@ -111,7 +111,7 @@ public abstract class BaseReservationHandler<T> extends HandlerForGeneratedReque
       } else if (equalsOrSuffix(qName, "groupSet")) {
          inGroupSet = false;
       } else if (equalsOrSuffix(qName, "groupId")) {
-         groupIds.add(currentOrNull(currentText));
+         groupNames.add(currentOrNull(currentText));
       } else if (equalsOrSuffix(qName, "ownerId")) {
          ownerId = currentOrNull(currentText);
       } else if (equalsOrSuffix(qName, "requesterId")) {
@@ -210,7 +210,7 @@ public abstract class BaseReservationHandler<T> extends HandlerForGeneratedReque
       }
 
       builder.region((region == null) ? defaultRegion.get() : region);
-      builder.groupIds(groupIds);
+      builder.groupNames(groupNames);
    }
 
    protected Builder builder() {
@@ -229,9 +229,9 @@ public abstract class BaseReservationHandler<T> extends HandlerForGeneratedReque
       String region = getRequest() != null ? AWSUtils.findRegionInArgsOrNull(getRequest()) : null;
       if (region == null)
          region = defaultRegion.get();
-      Reservation<? extends RunningInstance> info = new Reservation<RunningInstance>(region, groupIds, instances,
+      Reservation<? extends RunningInstance> info = new Reservation<RunningInstance>(region, groupNames, instances,
             ownerId, requesterId, reservationId);
-      this.groupIds = Sets.newLinkedHashSet();
+      this.groupNames = Sets.newLinkedHashSet();
       this.instances = Sets.newLinkedHashSet();
       this.ownerId = null;
       this.requesterId = null;
diff --git a/apis/ec2/src/test/java/org/jclouds/ec2/compute/EC2ComputeServiceLiveTest.java b/apis/ec2/src/test/java/org/jclouds/ec2/compute/EC2ComputeServiceLiveTest.java
index b204a073ef..f8ae751245 100644
--- a/apis/ec2/src/test/java/org/jclouds/ec2/compute/EC2ComputeServiceLiveTest.java
+++ b/apis/ec2/src/test/java/org/jclouds/ec2/compute/EC2ComputeServiceLiveTest.java
@@ -151,7 +151,7 @@ public class EC2ComputeServiceLiveTest extends BaseComputeServiceLiveTest {
          assertEquals(instance.getKeyName(), group);
 
          // make sure we made our dummy group and also let in the user's group
-         assertEquals(Sets.newTreeSet(instance.getGroupIds()), ImmutableSortedSet.<String> of("jclouds#" + group + "#"
+         assertEquals(Sets.newTreeSet(instance.getGroupNames()), ImmutableSortedSet.<String> of("jclouds#" + group + "#"
                   + instance.getRegion(), group));
 
          // make sure our dummy group has no rules
diff --git a/apis/ec2/src/test/java/org/jclouds/ec2/compute/functions/RunningInstanceToNodeMetadataTest.java b/apis/ec2/src/test/java/org/jclouds/ec2/compute/functions/RunningInstanceToNodeMetadataTest.java
index f677c320d6..75e5016c55 100644
--- a/apis/ec2/src/test/java/org/jclouds/ec2/compute/functions/RunningInstanceToNodeMetadataTest.java
+++ b/apis/ec2/src/test/java/org/jclouds/ec2/compute/functions/RunningInstanceToNodeMetadataTest.java
@@ -241,13 +241,13 @@ public class RunningInstanceToNodeMetadataTest {
    public void testGroupNameIsSetWhenCustomKeyNameIsSetAndSecurityGroupIsGenerated() {
       checkGroupName(RunningInstance.builder().instanceId("id").imageId("image").instanceType("m1.small")
               .instanceState(InstanceState.RUNNING).rawState("running").region("us-east-1").keyName("custom-key")
-              .groupId("jclouds#groupname").build());
+              .groupName("jclouds#groupname").build());
    }
 
    @Test
    public void testGroupNameIsSetWhenCustomSecurityGroupIsSetAndKeyNameIsGenerated() {
       checkGroupName(RunningInstance.builder().instanceId("id").imageId("image").instanceType("m1.small")
-              .instanceState(InstanceState.RUNNING).rawState("running").region("us-east-1").groupId("custom-sec")
+              .instanceState(InstanceState.RUNNING).rawState("running").region("us-east-1").groupName("custom-sec")
               .keyName("jclouds#groupname#23").build());
    }
 
diff --git a/apis/ec2/src/test/java/org/jclouds/ec2/xml/DescribeInstancesResponseHandlerTest.java b/apis/ec2/src/test/java/org/jclouds/ec2/xml/DescribeInstancesResponseHandlerTest.java
index ebdeba4a9f..24376d88cb 100644
--- a/apis/ec2/src/test/java/org/jclouds/ec2/xml/DescribeInstancesResponseHandlerTest.java
+++ b/apis/ec2/src/test/java/org/jclouds/ec2/xml/DescribeInstancesResponseHandlerTest.java
@@ -70,7 +70,7 @@ public class DescribeInstancesResponseHandlerTest extends BaseEC2HandlerTest {
 
       Set<Reservation<RunningInstance>> contents = ImmutableSet.of(new Reservation<RunningInstance>(defaultRegion,
                ImmutableSet.of("adriancole.ec2ingress"), ImmutableSet.of(new RunningInstance.Builder().region(
-                        defaultRegion).groupId("adriancole.ec2ingress").amiLaunchIndex("0").dnsName(
+                        defaultRegion).groupName("adriancole.ec2ingress").amiLaunchIndex("0").dnsName(
                         "ec2-174-129-81-68.compute-1.amazonaws.com").imageId("ami-82e4b5c7").instanceId("i-0799056f")
                         .instanceState(InstanceState.RUNNING).rawState("running").instanceType(InstanceType.M1_SMALL)
                         .ipAddress("174.129.81.68").kernelId("aki-a71cf9ce").keyName("adriancole.ec21").launchTime(
@@ -83,7 +83,7 @@ public class DescribeInstancesResponseHandlerTest extends BaseEC2HandlerTest {
 
       Set<Reservation<? extends RunningInstance>> result = parseRunningInstances("/describe_instances_running.xml");
 
-      assertEquals(result, contents);
+      assertEquals(result.toString(), contents.toString());
       assertEquals(get(get(result, 0), 0).getInstanceState(), InstanceState.RUNNING);
       assertEquals(get(get(result, 0), 0).getRawState(), "running");
 
@@ -91,7 +91,7 @@ public class DescribeInstancesResponseHandlerTest extends BaseEC2HandlerTest {
 
    public void testApplyInputStream() {
       Set<Reservation<RunningInstance>> contents = ImmutableSet.of(new Reservation<RunningInstance>(defaultRegion,
-               ImmutableSet.of("default"), ImmutableSet.of(new RunningInstance.Builder().region(defaultRegion).groupId(
+               ImmutableSet.of("default"), ImmutableSet.of(new RunningInstance.Builder().region(defaultRegion).groupName(
                         "default").amiLaunchIndex("23").dnsName("ec2-72-44-33-4.compute-1.amazonaws.com").imageId(
                         "ami-6ea54007").instanceId("i-28a64341").instanceState(InstanceState.RUNNING).rawState(
                         "running").instanceType(InstanceType.M1_LARGE).kernelId("aki-ba3adfd3").keyName(
@@ -101,7 +101,7 @@ public class DescribeInstancesResponseHandlerTest extends BaseEC2HandlerTest {
                                  "10-251-50-132.ec2.internal")// product codes
                         // ImmutableSet.of("774F4FF8")
                         .ramdiskId("ari-badbad00").rootDeviceType(RootDeviceType.INSTANCE_STORE).build(),
-                        new RunningInstance.Builder().region(defaultRegion).groupId("default").amiLaunchIndex("23")
+                        new RunningInstance.Builder().region(defaultRegion).groupName("default").amiLaunchIndex("23")
                                  .dnsName("ec2-72-44-33-6.compute-1.amazonaws.com").imageId("ami-6ea54007").instanceId(
                                           "i-28a64435").instanceState(InstanceState.RUNNING).rawState("running")
                                  .instanceType(InstanceType.M1_LARGE).kernelId("aki-ba3adfd3").keyName(
@@ -116,7 +116,7 @@ public class DescribeInstancesResponseHandlerTest extends BaseEC2HandlerTest {
 
       Set<Reservation<? extends RunningInstance>> result = parseRunningInstances("/describe_instances.xml");
 
-      assertEquals(result, contents);
+      assertEquals(result.toString(), contents.toString());
       assertEquals(get(get(result, 0), 0).getInstanceState(), InstanceState.RUNNING);
       assertEquals(get(get(result, 0), 0).getRawState(), "running");
 
@@ -126,7 +126,7 @@ public class DescribeInstancesResponseHandlerTest extends BaseEC2HandlerTest {
 
       Set<Reservation<RunningInstance>> contents = ImmutableSet.of(new Reservation<RunningInstance>(defaultRegion,
                ImmutableSet.of("adriancole.ec2ebsingress"), ImmutableSet.of(new RunningInstance.Builder().region(
-                        defaultRegion).groupId("adriancole.ec2ebsingress").amiLaunchIndex("0").dnsName(
+                        defaultRegion).groupName("adriancole.ec2ebsingress").amiLaunchIndex("0").dnsName(
                         "ec2-75-101-203-146.compute-1.amazonaws.com").imageId("ami-849875ed").instanceId("i-e564438d")
                         .instanceState(InstanceState.RUNNING).rawState("running").instanceType(InstanceType.M1_SMALL)
                         .ipAddress("75.101.203.146").kernelId("aki-a71cf9ce")
@@ -145,7 +145,7 @@ public class DescribeInstancesResponseHandlerTest extends BaseEC2HandlerTest {
 
       Set<Reservation<? extends RunningInstance>> result = parseRunningInstances("/describe_instances_ebs.xml");
 
-      assertEquals(result, contents);
+      assertEquals(result.toString(), contents.toString());
       assertEquals(get(get(result, 0), 0).getInstanceState(), InstanceState.RUNNING);
       assertEquals(get(get(result, 0), 0).getRawState(), "running");
    }
diff --git a/apis/ec2/src/test/java/org/jclouds/ec2/xml/RunInstancesResponseHandlerTest.java b/apis/ec2/src/test/java/org/jclouds/ec2/xml/RunInstancesResponseHandlerTest.java
index 0b23ebf203..1b37c5396e 100644
--- a/apis/ec2/src/test/java/org/jclouds/ec2/xml/RunInstancesResponseHandlerTest.java
+++ b/apis/ec2/src/test/java/org/jclouds/ec2/xml/RunInstancesResponseHandlerTest.java
@@ -65,19 +65,19 @@ public class RunInstancesResponseHandlerTest extends BaseEC2HandlerTest {
       Reservation<? extends RunningInstance> expected = new Reservation<RunningInstance>(defaultRegion, ImmutableSet
                .of("default"), ImmutableSet.of(
 
-      new RunningInstance.Builder().region(defaultRegion).groupId("default").amiLaunchIndex("0")
+      new RunningInstance.Builder().region(defaultRegion).groupName("default").amiLaunchIndex("0")
                .imageId("ami-60a54009").instanceId("i-2ba64342").instanceState(InstanceState.PENDING).rawState(
                         "pending").instanceType(InstanceType.M1_SMALL).keyName("example-key-name").launchTime(
                         dateService.iso8601DateParse("2007-08-07T11:51:50.000Z"))// MonitoringState.ENABLED,
                .availabilityZone("us-east-1b").build(),
 
-      new RunningInstance.Builder().region(defaultRegion).groupId("default").amiLaunchIndex("1")
+      new RunningInstance.Builder().region(defaultRegion).groupName("default").amiLaunchIndex("1")
                .imageId("ami-60a54009").instanceId("i-2bc64242").instanceState(InstanceState.PENDING).rawState(
                         "pending").instanceType(InstanceType.M1_SMALL).keyName("example-key-name").launchTime(
                         dateService.iso8601DateParse("2007-08-07T11:51:50.000Z"))// MonitoringState.ENABLED,
                .availabilityZone("us-east-1b").build(),
 
-      new RunningInstance.Builder().region(defaultRegion).groupId("default").amiLaunchIndex("2")
+      new RunningInstance.Builder().region(defaultRegion).groupName("default").amiLaunchIndex("2")
                .imageId("ami-60a54009").instanceId("i-2be64332").instanceState(InstanceState.PENDING).rawState(
                         "pending").instanceType(InstanceType.M1_SMALL).keyName("example-key-name").launchTime(
                         dateService.iso8601DateParse("2007-08-07T11:51:50.000Z"))// MonitoringState.ENABLED,
@@ -96,9 +96,9 @@ public class RunInstancesResponseHandlerTest extends BaseEC2HandlerTest {
       InputStream is = getClass().getResourceAsStream("/run_instances_cloudbridge.xml");
 
       Reservation<? extends RunningInstance> expected = new Reservation<RunningInstance>(defaultRegion, ImmutableSet
-               .of("default"), ImmutableSet.of(
+               .of("jclouds#greenqloud-computeblock"), ImmutableSet.of(
 
-      new RunningInstance.Builder().region(defaultRegion).groupId("jclouds#greenqloud-computeblock").amiLaunchIndex("0")
+      new RunningInstance.Builder().region(defaultRegion).groupName("jclouds#greenqloud-computeblock").amiLaunchIndex("0")
                .imageId("qmi-9ac92558").instanceId("i-01b0dac3").instanceState(InstanceState.PENDING).rawState(
                         "pending").instanceType(InstanceType.M1_SMALL).keyName("jclouds#greenqloud-computeblock#35")
                         .launchTime(dateService.iso8601DateParse("2012-06-15T19:06:35.000+00:00"))
diff --git a/providers/aws-ec2/src/main/java/org/jclouds/aws/ec2/domain/AWSRunningInstance.java b/providers/aws-ec2/src/main/java/org/jclouds/aws/ec2/domain/AWSRunningInstance.java
index 9cb43cb319..06605b208f 100644
--- a/providers/aws-ec2/src/main/java/org/jclouds/aws/ec2/domain/AWSRunningInstance.java
+++ b/providers/aws-ec2/src/main/java/org/jclouds/aws/ec2/domain/AWSRunningInstance.java
@@ -31,7 +31,7 @@ import org.jclouds.ec2.domain.RootDeviceType;
 import org.jclouds.ec2.domain.RunningInstance;
 import org.jclouds.javax.annotation.Nullable;
 
-import com.google.common.base.Objects;
+import com.google.common.base.Objects.ToStringHelper;
 import com.google.common.base.Strings;
 import com.google.common.collect.ImmutableMap;
 import com.google.common.collect.ImmutableSet;
@@ -241,13 +241,13 @@ public class AWSRunningInstance extends RunningInstance {
       }
 
       @Override
-      public Builder groupId(String groupId) {
-         return Builder.class.cast(super.groupId(groupId));
+      public Builder groupName(String groupName) {
+         return Builder.class.cast(super.groupName(groupName));
       }
 
       @Override
-      public Builder groupIds(Iterable<String> groupIds) {
-         return Builder.class.cast(super.groupIds(groupIds));
+      public Builder groupNames(Iterable<String> groupNames) {
+         return Builder.class.cast(super.groupNames(groupNames));
       }
 
       @Override
@@ -364,74 +364,10 @@ public class AWSRunningInstance extends RunningInstance {
    }
 
    @Override
-   public int hashCode() {
-      final int prime = 31;
-      int result = super.hashCode();
-      result = prime * result + ((placementGroup == null) ? 0 : placementGroup.hashCode());
-      result = prime * result + ((productCodes == null) ? 0 : productCodes.hashCode());
-      result = prime * result + ((spotInstanceRequestId == null) ? 0 : spotInstanceRequestId.hashCode());
-      result = prime * result + ((subnetId == null) ? 0 : subnetId.hashCode());
-      result = prime * result + ((vpcId == null) ? 0 : vpcId.hashCode());
-      result = prime * result + ((hypervisor == null) ? 0 : hypervisor.hashCode());
-      result = prime * result + ((tags == null) ? 0 : tags.hashCode());
-      return result;
-   }
-
-   @Override
-   public boolean equals(Object obj) {
-      if (this == obj)
-         return true;
-      if (!super.equals(obj))
-         return false;
-      if (getClass() != obj.getClass())
-         return false;
-      AWSRunningInstance other = (AWSRunningInstance) obj;
-      if (placementGroup == null) {
-         if (other.placementGroup != null)
-            return false;
-      } else if (!placementGroup.equals(other.placementGroup))
-         return false;
-      if (productCodes == null) {
-         if (other.productCodes != null)
-            return false;
-      } else if (!productCodes.equals(other.productCodes))
-         return false;
-      if (spotInstanceRequestId == null) {
-         if (other.spotInstanceRequestId != null)
-            return false;
-      } else if (!spotInstanceRequestId.equals(other.spotInstanceRequestId))
-         return false;
-      if (subnetId == null) {
-         if (other.subnetId != null)
-            return false;
-      } else if (!subnetId.equals(other.subnetId))
-         return false;
-      if (vpcId == null) {
-         if (other.vpcId != null)
-            return false;
-      } else if (!vpcId.equals(other.vpcId))
-         return false;
-      if (tags == null) {
-         if (other.tags != null)
-            return false;
-      } else if (!tags.equals(other.tags))
-         return false;
-      if (!Objects.equal(hypervisor, other.hypervisor))
-         return false;
-      return true;
-   }
-
-   @Override
-   public String toString() {
-      return "[region=" + region + ", availabilityZone=" + availabilityZone + ", instanceId=" + instanceId
-               + ", instanceState=" + rawState + ", instanceType=" + instanceType + ", virtualizationType="
-               + virtualizationType + ", imageId=" + imageId + ", ipAddress=" + ipAddress + ", dnsName=" + dnsName
-               + ", privateIpAddress=" + privateIpAddress + ", privateDnsName=" + privateDnsName + ", keyName="
-               + keyName + ", platform=" + platform + ", launchTime=" + launchTime + ", rootDeviceName="
-               + rootDeviceName + ", rootDeviceType=" + rootDeviceType + ", ebsBlockDevices=" + ebsBlockDevices
-               + ", monitoringState=" + monitoringState + ", placementGroup=" + placementGroup + ", productCodes="
-               + productCodes + ", spotInstanceRequestId=" + spotInstanceRequestId + ", subnetId=" + subnetId
-               + ", hypervisor=" + hypervisor + ", vpcId=" + vpcId + ", tags=" + tags + "]";
+   protected ToStringHelper string() {
+      return super.string().add("monitoringState", monitoringState).add("placementGroup", placementGroup)
+               .add("subnetId", subnetId).add("spotInstanceRequestId", spotInstanceRequestId).add("vpcId", vpcId)
+               .add("hypervisor", hypervisor).add("tags", tags);
    }
 
 }
diff --git a/providers/aws-ec2/src/main/java/org/jclouds/aws/ec2/functions/SpotInstanceRequestToAWSRunningInstance.java b/providers/aws-ec2/src/main/java/org/jclouds/aws/ec2/functions/SpotInstanceRequestToAWSRunningInstance.java
index 5c7fe7d352..854000b8d1 100644
--- a/providers/aws-ec2/src/main/java/org/jclouds/aws/ec2/functions/SpotInstanceRequestToAWSRunningInstance.java
+++ b/providers/aws-ec2/src/main/java/org/jclouds/aws/ec2/functions/SpotInstanceRequestToAWSRunningInstance.java
@@ -52,7 +52,7 @@ public class SpotInstanceRequestToAWSRunningInstance implements Function<SpotIns
       builder.availabilityZone(spec.getAvailabilityZone());
       // TODO convert
       // builder.devices(spec.getBlockDeviceMappings());
-      builder.groupIds(spec.getSecurityGroupNames());
+      builder.groupNames(spec.getSecurityGroupNames());
       builder.imageId(spec.getImageId());
       builder.instanceType(spec.getInstanceType());
       builder.kernelId(spec.getKernelId());
diff --git a/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/compute/AWSEC2ComputeServiceLiveTest.java b/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/compute/AWSEC2ComputeServiceLiveTest.java
index 6b1b3832f9..eb3a8c5ac6 100644
--- a/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/compute/AWSEC2ComputeServiceLiveTest.java
+++ b/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/compute/AWSEC2ComputeServiceLiveTest.java
@@ -187,7 +187,7 @@ public class AWSEC2ComputeServiceLiveTest extends EC2ComputeServiceLiveTest {
          }
 
          // make sure we made our dummy group and also let in the user's group
-         assertEquals(newTreeSet(instance.getGroupIds()), ImmutableSortedSet.<String> of("jclouds#" + group, group));
+         assertEquals(newTreeSet(instance.getGroupNames()), ImmutableSortedSet.<String> of("jclouds#" + group, group));
 
          // make sure our dummy group has no rules
          SecurityGroup secgroup = getOnlyElement(securityGroupClient.describeSecurityGroupsInRegion(instance
diff --git a/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/compute/IncidentalResourcesGetCleanedUpLiveTest.java b/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/compute/IncidentalResourcesGetCleanedUpLiveTest.java
index 9d52e60397..3a2fc7726c 100644
--- a/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/compute/IncidentalResourcesGetCleanedUpLiveTest.java
+++ b/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/compute/IncidentalResourcesGetCleanedUpLiveTest.java
@@ -117,8 +117,8 @@ public class IncidentalResourcesGetCleanedUpLiveTest extends BaseComputeServiceC
          assertNotNull(instance1.getKeyName());
          assertEquals(instance1.getRegion(), instance2.getRegion(), "Nodes are not in the same region");
          assertEquals(instance1.getKeyName(), instance2.getKeyName(), "Nodes do not have same key-pair name");
-         assertEquals(instance1.getGroupIds(), instance2.getGroupIds(), "Nodes are not in the same group");
-         assertEquals(instance1.getGroupIds(), ImmutableSet.of(expectedSecurityGroupName), "Nodes are not in the expected security group");
+         assertEquals(instance1.getGroupNames(), instance2.getGroupNames(), "Nodes are not in the same group");
+         assertEquals(instance1.getGroupNames(), ImmutableSet.of(expectedSecurityGroupName), "Nodes are not in the expected security group");
 
          // Assert a single key-pair and security group has been created
          String expectedKeyPairName = instance1.getKeyName();
diff --git a/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/functions/SpotInstanceRequestToAWSRunningInstanceTest.java b/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/functions/SpotInstanceRequestToAWSRunningInstanceTest.java
index 4324994036..76c1ce9df7 100644
--- a/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/functions/SpotInstanceRequestToAWSRunningInstanceTest.java
+++ b/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/functions/SpotInstanceRequestToAWSRunningInstanceTest.java
@@ -66,7 +66,7 @@ public class SpotInstanceRequestToAWSRunningInstanceTest {
             AWSRunningInstance.builder().region("us-east-1").instanceId("sir-228e6406")
                   .spotInstanceRequestId("sir-228e6406").instanceState(InstanceState.PENDING)
                   .rawState("open").imageId("ami-595a0a1c")
-                  .groupId("default").instanceType("m1.large")
+                  .groupName("default").instanceType("m1.large")
                   .tag("foo", "bar")
                   .tag("empty", "")
                   .hypervisor(Hypervisor.XEN)
diff --git a/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/parse/DescribeInstancesResponseTest.java b/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/parse/DescribeInstancesResponseTest.java
new file mode 100644
index 0000000000..646853fcfd
--- /dev/null
+++ b/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/parse/DescribeInstancesResponseTest.java
@@ -0,0 +1,114 @@
+/**
+ * Licensed to jclouds, Inc. (jclouds) under one or more
+ * contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  jclouds licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.jclouds.aws.ec2.parse;
+
+import static org.testng.Assert.assertEquals;
+
+import java.io.InputStream;
+import java.util.Set;
+
+import org.jclouds.aws.ec2.domain.AWSRunningInstance;
+import org.jclouds.aws.ec2.domain.MonitoringState;
+import org.jclouds.aws.ec2.xml.AWSDescribeInstancesResponseHandler;
+import org.jclouds.date.DateService;
+import org.jclouds.ec2.domain.Attachment;
+import org.jclouds.ec2.domain.BlockDevice;
+import org.jclouds.ec2.domain.Hypervisor;
+import org.jclouds.ec2.domain.InstanceState;
+import org.jclouds.ec2.domain.Reservation;
+import org.jclouds.ec2.domain.RootDeviceType;
+import org.jclouds.ec2.domain.RunningInstance;
+import org.jclouds.ec2.xml.BaseEC2HandlerTest;
+import org.testng.annotations.BeforeTest;
+import org.testng.annotations.Test;
+
+import com.google.common.collect.ImmutableSet;
+
+/**
+ * Tests behavior of {@code AWSDescribeInstancesResponseHandler}
+ * 
+ * @author Adrian Cole
+ */
+// NOTE:without testName, this will not call @Before* and fail w/NPE during
+// surefire
+@Test(groups = "unit", testName = "AWSDescribeInstancesResponseHandlerTest")
+public class DescribeInstancesResponseTest extends BaseEC2HandlerTest {
+
+   private DateService dateService;
+
+   @BeforeTest
+   @Override
+   protected void setUpInjector() {
+      super.setUpInjector();
+      dateService = injector.getInstance(DateService.class);
+      assert dateService != null;
+   }
+
+   public void test() {
+      InputStream is = getClass().getResourceAsStream("/describe_instances_pending.xml");
+
+      Set<Reservation<AWSRunningInstance>> expected = expected();
+
+      AWSDescribeInstancesResponseHandler handler = injector.getInstance(AWSDescribeInstancesResponseHandler.class);
+      Set<Reservation<? extends RunningInstance>> result = factory.create(handler).parse(is);
+
+      assertEquals(result.toString(), expected.toString());
+
+   }
+
+   public Set<Reservation<AWSRunningInstance>> expected() {
+      return ImmutableSet.of(Reservation.<AWSRunningInstance>builder()
+                         .region(defaultRegion)
+                         .reservationId("r-3f056a58")
+                         .ownerId("095072994936")
+//                                             <groupId>sg-f788299f</groupId>
+                         .groupName("launchpad_sec_group")
+//                                             <groupId>sg-7e512116</groupId>
+                         .groupName("jclouds#4c858090-f66c-4225-aa57-6fcaa42198ae")
+                         .instance(AWSRunningInstance.builder()
+                                  .region(defaultRegion)
+                                  .instanceId("i-32451248")
+                                  .imageId("ami-bf8131d6")
+                                  .rawState("pending")
+                                  .instanceState(InstanceState.PENDING)
+                                  .privateDnsName("ip-10-194-149-220.ec2.internal")
+                                  .dnsName("ec2-23-20-17-42.compute-1.amazonaws.com")
+                                  .keyName("jclouds#4c858090-f66c-4225-aa57-6fcaa42198ae#105")
+                                  .amiLaunchIndex("0")
+                                  .instanceType("c1.medium")
+                                  .launchTime(dateService.iso8601DateParse("2012-09-14T20:01:34.000Z"))
+                                  .availabilityZone("us-east-1d")
+//                                  .tenancy("default")
+                                  .kernelId("aki-825ea7eb")
+                                  .monitoringState(MonitoringState.DISABLED)
+                                  .privateIpAddress("10.194.149.220")
+                                  .ipAddress("23.20.17.42")
+                                  .securityGroupIdToName("sg-f788299f", "launchpad_sec_group")
+                                  .securityGroupIdToName("sg-7e512116", "jclouds#4c858090-f66c-4225-aa57-6fcaa42198ae")
+//                                  .architecture("x86_64")
+                                  .rootDeviceType(RootDeviceType.EBS)
+                                  .rootDeviceName("/dev/sda1")
+                                  .device("/dev/sda1", new BlockDevice("vol-b2beb3c9", Attachment.Status.ATTACHING, dateService.iso8601DateParse("2012-09-14T20:01:37.000Z"), true))
+                                  .virtualizationType("paravirtual")
+                                  .tag("Name", "4c858090-f66c-4225-aa57-6fcaa42198ae-32451248")
+                                  .hypervisor(Hypervisor.XEN)
+                                  .build()).build());
+   }
+   
+}
diff --git a/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/xml/AWSDescribeInstancesResponseHandlerTest.java b/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/xml/AWSDescribeInstancesResponseHandlerTest.java
index 25aa26bc7c..c247bf23a0 100644
--- a/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/xml/AWSDescribeInstancesResponseHandlerTest.java
+++ b/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/xml/AWSDescribeInstancesResponseHandlerTest.java
@@ -31,7 +31,6 @@ import org.jclouds.ec2.domain.Attachment;
 import org.jclouds.ec2.domain.BlockDevice;
 import org.jclouds.ec2.domain.Hypervisor;
 import org.jclouds.ec2.domain.InstanceState;
-import org.jclouds.ec2.domain.InstanceType;
 import org.jclouds.ec2.domain.Reservation;
 import org.jclouds.ec2.domain.RootDeviceType;
 import org.jclouds.ec2.domain.RunningInstance;
@@ -71,44 +70,13 @@ public class AWSDescribeInstancesResponseHandlerTest extends BaseEC2HandlerTest
       assert dateService != null;
    }
 
-   public void testWhenRunning() throws UnknownHostException {
-
-      Set<Reservation<AWSRunningInstance>> contents = ImmutableSet.of(
-              new Reservation<AWSRunningInstance>(defaultRegion, ImmutableSet.of("adriancole.ec2ingress"), ImmutableSet.of(
-                      new AWSRunningInstance.Builder()
-                          .region(defaultRegion)
-                          .groupId("adriancole.ec2ingress")
-                          .amiLaunchIndex("0")
-                          .dnsName("ec2-174-129-81-68.compute-1.amazonaws.com")
-                          .imageId("ami-82e4b5c7")
-                          .instanceId("i-0799056f")
-                          .instanceState(InstanceState.RUNNING)
-                          .rawState("running")
-                          .instanceType(InstanceType.M1_SMALL)
-                          .ipAddress("174.129.81.68")
-                          .kernelId("aki-a71cf9ce")
-                          .keyName("adriancole.ec21")
-                          .launchTime(dateService.iso8601DateParse("2009-11-09T03:00:34.000Z"))
-                          .monitoringState(MonitoringState.DISABLED)
-                          .availabilityZone("us-east-1c")
-                          .virtualizationType("paravirtual")
-                          .privateDnsName("ip-10-243-42-70.ec2.internal")
-                          .privateIpAddress("10.243.42.70")
-                          .ramdiskId("ari-a51cf9cc")
-                          .rootDeviceType(RootDeviceType.INSTANCE_STORE)
-                          .hypervisor(Hypervisor.XEN)
-                          .build()),
-                  "993194456877", null, "r-a3c508cb"));
-
-      Set<Reservation<? extends RunningInstance>> result = parseAWSRunningInstances("/describe_instances_running.xml");
-
-      assertEquals(result.toString(), contents.toString());
-   }
 
    public void testWhenRunningLatest() throws UnknownHostException {
-      Set<Reservation<AWSRunningInstance>> contents = ImmutableSet.of(new Reservation<AWSRunningInstance>(
-            defaultRegion, ImmutableSet.of("jclouds#ec2-s#us-east-1"), ImmutableSet.of(
-                  new AWSRunningInstance.Builder()
+      Set<Reservation<AWSRunningInstance>> contents = ImmutableSet.of(Reservation.<AWSRunningInstance>builder()
+               .region(defaultRegion)
+               .reservationId("r-0f4c2160")
+               .groupName("jclouds#zkclustertest#us-east-1")
+               .instance(AWSRunningInstance.builder()
                         .region(defaultRegion)
                         .instanceId("i-911444f0")
                         .imageId("ami-63be790a")
@@ -135,8 +103,8 @@ public class AWSDescribeInstancesResponseHandlerTest extends BaseEC2HandlerTest
                               new BlockDevice("vol-5829fc32", Attachment.Status.ATTACHED, dateService
                                     .iso8601DateParse("2011-08-16T13:41:19.000Z"), true))
                         .hypervisor(Hypervisor.XEN)
-                        .virtualizationType("paravirtual").build(),//
-                  new AWSRunningInstance.Builder()
+                        .virtualizationType("paravirtual").build())
+               .instance(AWSRunningInstance.builder()
                         .region(defaultRegion)
                         .instanceId("i-931444f2")
                         .imageId("ami-63be790a")
@@ -162,7 +130,7 @@ public class AWSDescribeInstancesResponseHandlerTest extends BaseEC2HandlerTest
                               new BlockDevice("vol-5029fc3a", Attachment.Status.ATTACHED, dateService
                                     .iso8601DateParse("2011-08-16T13:41:19.000Z"), true))
                         .hypervisor(Hypervisor.XEN)
-                        .virtualizationType("paravirtual").build()), defaultRegion, defaultRegion, defaultRegion));
+                        .virtualizationType("paravirtual").build()).build());
 
       Set<Reservation<? extends RunningInstance>> result = parseAWSRunningInstances("/describe_instances_latest.xml");
 
@@ -175,76 +143,6 @@ public class AWSDescribeInstancesResponseHandlerTest extends BaseEC2HandlerTest
       parseAWSRunningInstances("/describe_instances_3.xml");
    }
 
-   public void testApplyInputStream() {
-      Set<Reservation<AWSRunningInstance>> contents = ImmutableSet.of(new Reservation<AWSRunningInstance>(
-            defaultRegion, ImmutableSet.of("default"), ImmutableSet.of(
-                  new AWSRunningInstance.Builder().region(defaultRegion).groupId("default").amiLaunchIndex("23")
-                        .dnsName("ec2-72-44-33-4.compute-1.amazonaws.com").imageId("ami-6ea54007")
-                        .instanceId("i-28a64341").instanceState(InstanceState.RUNNING).rawState("running")
-                        .instanceType(InstanceType.M1_LARGE).kernelId("aki-ba3adfd3").keyName("example-key-name")
-                        .launchTime(dateService.iso8601DateParse("2007-08-07T11:54:42.000Z"))
-                        .monitoringState(MonitoringState.DISABLED).availabilityZone("us-east-1b")
-                        .virtualizationType("paravirtual").privateDnsName("10-251-50-132.ec2.internal")
-                        .productCode("774F4FF8").ramdiskId("ari-badbad00")
-                        .hypervisor(Hypervisor.XEN)
-                        .rootDeviceType(RootDeviceType.INSTANCE_STORE).build(),
-                  new AWSRunningInstance.Builder().region(defaultRegion).groupId("default").amiLaunchIndex("23")
-                        .dnsName("ec2-72-44-33-6.compute-1.amazonaws.com").imageId("ami-6ea54007")
-                        .instanceId("i-28a64435").instanceState(InstanceState.RUNNING).rawState("running")
-                        .instanceType(InstanceType.M1_LARGE).kernelId("aki-ba3adfd3").keyName("example-key-name")
-                        .launchTime(dateService.iso8601DateParse("2007-08-07T11:54:42.000Z"))
-                        .monitoringState(MonitoringState.DISABLED).availabilityZone("us-east-1b")
-                        .virtualizationType("paravirtual").privateDnsName("10-251-50-134.ec2.internal")
-                        .productCode("774F4FF8").ramdiskId("ari-badbad00")
-                        .hypervisor(Hypervisor.XEN)
-                        .rootDeviceType(RootDeviceType.INSTANCE_STORE).build()), "UYY3TLBUXIEON5NQVUUX6OMPWBZIQNFM",
-            null, "r-44a5402d"));
-
-      Set<Reservation<? extends RunningInstance>> result = parseAWSRunningInstances("/describe_instances.xml");
-
-      assertEquals(result.toString(), contents.toString());
-   }
-
-   public void testEBS() throws UnknownHostException {
-
-      Set<Reservation<AWSRunningInstance>> contents = ImmutableSet.of(new Reservation<AWSRunningInstance>(
-            defaultRegion, ImmutableSet.of("adriancole.ec2ebsingress"), ImmutableSet
-                  .of(new AWSRunningInstance.Builder()
-                        .region(defaultRegion)
-                        .groupId("adriancole.ec2ebsingress")
-                        .amiLaunchIndex("0")
-                        .dnsName("ec2-75-101-203-146.compute-1.amazonaws.com")
-                        .imageId("ami-849875ed")
-                        .instanceId("i-e564438d")
-                        .instanceState(InstanceState.RUNNING)
-                        .rawState("running")
-                        .instanceType(InstanceType.M1_SMALL)
-                        .ipAddress("75.101.203.146")
-                        .kernelId("aki-a71cf9ce")
-                        .keyName("adriancole.ec2ebs1")
-                        .launchTime(dateService.iso8601DateParse("2009-12-30T04:06:23.000Z"))
-                        .monitoringState(MonitoringState.DISABLED)
-                        .availabilityZone("us-east-1b")
-                        .placementGroup("placement")
-                        .virtualizationType("hvm")
-                        .privateDnsName("domU-12-31-39-09-CE-53.compute-1.internal")
-                        .privateIpAddress("10.210.209.157")
-                        .ramdiskId("ari-a51cf9cc")
-                        .hypervisor(Hypervisor.XEN)
-                        .rootDeviceType(RootDeviceType.EBS)
-                        .rootDeviceName("/dev/sda1")
-                        .hypervisor(Hypervisor.XEN)
-                        .device(
-                              "/dev/sda1",
-                              new BlockDevice("vol-dc6ca8b5", Attachment.Status.ATTACHED, dateService
-                                    .iso8601DateParse("2009-12-30T04:06:29.000Z"), true)).build()), "993194456877",
-            null, "r-596dd731"));
-
-      Set<Reservation<? extends RunningInstance>> result = parseAWSRunningInstances("/describe_instances_ebs.xml");
-
-      assertEquals(result.toString(), contents.toString());
-   }
-
    static ParseSax<Set<Reservation<? extends RunningInstance>>> createParser() {
       Injector injector = Guice.createInjector(new SaxParserModule(), new AbstractModule() {
 
diff --git a/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/xml/AWSRunInstancesResponseHandlerTest.java b/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/xml/AWSRunInstancesResponseHandlerTest.java
index 09547f97e9..73d4a37eaa 100644
--- a/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/xml/AWSRunInstancesResponseHandlerTest.java
+++ b/providers/aws-ec2/src/test/java/org/jclouds/aws/ec2/xml/AWSRunInstancesResponseHandlerTest.java
@@ -44,7 +44,6 @@ import org.testng.annotations.Test;
 import com.google.common.base.Supplier;
 import com.google.common.base.Suppliers;
 import com.google.common.collect.ImmutableList;
-import com.google.common.collect.ImmutableSet;
 import com.google.inject.AbstractModule;
 import com.google.inject.Guice;
 import com.google.inject.TypeLiteral;
@@ -82,28 +81,25 @@ public class AWSRunInstancesResponseHandlerTest extends BaseEC2HandlerTest {
 
       InputStream is = getClass().getResourceAsStream("/run_instances.xml");
 
-      Reservation<? extends AWSRunningInstance> expected = new Reservation<AWSRunningInstance>(defaultRegion,
-            ImmutableSet.of("default"), ImmutableSet.of(
-
-               new AWSRunningInstance.Builder().region(defaultRegion).groupId("default").amiLaunchIndex("0").imageId(
+      Reservation<? extends AWSRunningInstance> expected = Reservation.<AWSRunningInstance>builder()
+               .region(defaultRegion)
+               .instance(AWSRunningInstance.builder().region(defaultRegion).groupName("default").amiLaunchIndex("0").imageId(
                         "ami-60a54009").instanceId("i-2ba64342").instanceState(InstanceState.PENDING).rawState(
                         "pending").instanceType(InstanceType.M1_SMALL).keyName("example-key-name").launchTime(
                         dateService.iso8601DateParse("2007-08-07T11:51:50.000Z")).hypervisor(Hypervisor.XEN)
-                        .monitoringState(MonitoringState.ENABLED).availabilityZone("us-east-1b").build(),
-
-               new AWSRunningInstance.Builder().region(defaultRegion).groupId("default").amiLaunchIndex("1").imageId(
+                        .monitoringState(MonitoringState.ENABLED).availabilityZone("us-east-1b").build())
+               .instance(AWSRunningInstance.builder().region(defaultRegion).groupName("default").amiLaunchIndex("1").imageId(
                         "ami-60a54009").instanceId("i-2bc64242").instanceState(InstanceState.PENDING).rawState(
                         "pending").instanceType(InstanceType.M1_SMALL).keyName("example-key-name").launchTime(
                         dateService.iso8601DateParse("2007-08-07T11:51:50.000Z")).hypervisor(Hypervisor.XEN)
-                        .monitoringState(MonitoringState.ENABLED).availabilityZone("us-east-1b").build(),
-
-               new AWSRunningInstance.Builder().region(defaultRegion).groupId("default").amiLaunchIndex("2").imageId(
+                        .monitoringState(MonitoringState.ENABLED).availabilityZone("us-east-1b").build())
+               .instance(AWSRunningInstance.builder().region(defaultRegion).groupName("default").amiLaunchIndex("2").imageId(
                         "ami-60a54009").instanceId("i-2be64332").instanceState(InstanceState.PENDING).rawState(
                         "pending").instanceType(InstanceType.M1_SMALL).keyName("example-key-name").launchTime(
                         dateService.iso8601DateParse("2007-08-07T11:51:50.000Z")).hypervisor(Hypervisor.XEN)
                         .monitoringState(MonitoringState.ENABLED).availabilityZone("us-east-1b").build())
-
-            , "AIDADH4IGTRXXKCD", null, "r-47a5402e");
+               .ownerId("AIDADH4IGTRXXKCD")
+               .reservationId("r-47a5402e").build();
 
       AWSRunInstancesResponseHandler handler = injector.getInstance(AWSRunInstancesResponseHandler.class);
       addDefaultRegionToHandler(handler);
diff --git a/providers/aws-ec2/src/test/resources/describe_instances_pending.xml b/providers/aws-ec2/src/test/resources/describe_instances_pending.xml
new file mode 100644
index 0000000000..92f9f4ebe4
--- /dev/null
+++ b/providers/aws-ec2/src/test/resources/describe_instances_pending.xml
@@ -0,0 +1,82 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<DescribeInstancesResponse xmlns="http://ec2.amazonaws.com/doc/2011-05-15/">
+    <requestId>dcd37ecf-e5b6-462b-99a8-112427b3e3a2</requestId>
+    <reservationSet>
+        <item>
+            <reservationId>r-3f056a58</reservationId>
+            <ownerId>095072994936</ownerId>
+            <groupSet>
+                <item>
+                    <groupId>sg-f788299f</groupId>
+                    <groupName>launchpad_sec_group</groupName>
+                </item>
+                <item>
+                    <groupId>sg-7e512116</groupId>
+                    <groupName>jclouds#4c858090-f66c-4225-aa57-6fcaa42198ae</groupName>
+                </item>
+            </groupSet>
+            <instancesSet>
+                <item>
+                    <instanceId>i-32451248</instanceId>
+                    <imageId>ami-bf8131d6</imageId>
+                    <instanceState>
+                        <code>0</code>
+                        <name>pending</name>
+                    </instanceState>
+                    <privateDnsName>ip-10-194-149-220.ec2.internal</privateDnsName>
+                    <dnsName>ec2-23-20-17-42.compute-1.amazonaws.com</dnsName>
+                    <reason/>
+                    <keyName>jclouds#4c858090-f66c-4225-aa57-6fcaa42198ae#105</keyName>
+                    <amiLaunchIndex>0</amiLaunchIndex>
+                    <productCodes/>
+                    <instanceType>c1.medium</instanceType>
+                    <launchTime>2012-09-14T20:01:34.000Z</launchTime>
+                    <placement>
+                        <availabilityZone>us-east-1d</availabilityZone>
+                        <groupName/>
+                        <tenancy>default</tenancy>
+                    </placement>
+                    <kernelId>aki-825ea7eb</kernelId>
+                    <monitoring>
+                        <state>disabled</state>
+                    </monitoring>
+                    <privateIpAddress>10.194.149.220</privateIpAddress>
+                    <ipAddress>23.20.17.42</ipAddress>
+                    <groupSet>
+                        <item>
+                            <groupId>sg-f788299f</groupId>
+                            <groupName>launchpad_sec_group</groupName>
+                        </item>
+                        <item>
+                            <groupId>sg-7e512116</groupId>
+                            <groupName>jclouds#4c858090-f66c-4225-aa57-6fcaa42198ae</groupName>
+                        </item>
+                    </groupSet>
+                    <architecture>x86_64</architecture>
+                    <rootDeviceType>ebs</rootDeviceType>
+                    <rootDeviceName>/dev/sda1</rootDeviceName>
+                    <blockDeviceMapping>
+                        <item>
+                            <deviceName>/dev/sda1</deviceName>
+                            <ebs>
+                                <volumeId>vol-b2beb3c9</volumeId>
+                                <status>attaching</status>
+                                <attachTime>2012-09-14T20:01:37.000Z</attachTime>
+                                <deleteOnTermination>true</deleteOnTermination>
+                            </ebs>
+                        </item>
+                    </blockDeviceMapping>
+                    <virtualizationType>paravirtual</virtualizationType>
+                    <clientToken/>
+                    <tagSet>
+                        <item>
+                            <key>Name</key>
+                            <value>4c858090-f66c-4225-aa57-6fcaa42198ae-32451248</value>
+                        </item>
+                    </tagSet>
+                    <hypervisor>xen</hypervisor>
+                </item>
+            </instancesSet>
+        </item>
+    </reservationSet>
+</DescribeInstancesResponse>
\ No newline at end of file