diff --git a/core/src/main/java/org/springframework/security/access/expression/method/AbstractExpressionBasedMethodConfigAttribute.java b/core/src/main/java/org/springframework/security/access/expression/method/AbstractExpressionBasedMethodConfigAttribute.java
index ce98b5849a..e02eb27a97 100644
--- a/core/src/main/java/org/springframework/security/access/expression/method/AbstractExpressionBasedMethodConfigAttribute.java
+++ b/core/src/main/java/org/springframework/security/access/expression/method/AbstractExpressionBasedMethodConfigAttribute.java
@@ -2,7 +2,7 @@ package org.springframework.security.access.expression.method;
 
 import org.springframework.expression.Expression;
 import org.springframework.expression.ParseException;
-import org.springframework.expression.spel.antlr.SpelAntlrExpressionParser;
+import org.springframework.expression.spel.standard.SpelExpressionParser;
 import org.springframework.security.access.ConfigAttribute;
 import org.springframework.util.Assert;
 
@@ -26,7 +26,7 @@ abstract class AbstractExpressionBasedMethodConfigAttribute implements ConfigAtt
      */
     AbstractExpressionBasedMethodConfigAttribute(String filterExpression, String authorizeExpression) throws ParseException {
         Assert.isTrue(filterExpression != null || authorizeExpression != null, "Filter and authorization Expressions cannot both be null");
-        SpelAntlrExpressionParser parser = new SpelAntlrExpressionParser();
+        SpelExpressionParser parser = new SpelExpressionParser();
         this.filterExpression = filterExpression == null ? null : parser.parseExpression(filterExpression);
         this.authorizeExpression = authorizeExpression == null ? null : parser.parseExpression(authorizeExpression);
     }
diff --git a/core/src/main/java/org/springframework/security/access/expression/method/DefaultMethodSecurityExpressionHandler.java b/core/src/main/java/org/springframework/security/access/expression/method/DefaultMethodSecurityExpressionHandler.java
index 176b9dd353..33c4025e5d 100644
--- a/core/src/main/java/org/springframework/security/access/expression/method/DefaultMethodSecurityExpressionHandler.java
+++ b/core/src/main/java/org/springframework/security/access/expression/method/DefaultMethodSecurityExpressionHandler.java
@@ -13,7 +13,7 @@ import org.springframework.core.ParameterNameDiscoverer;
 import org.springframework.expression.EvaluationContext;
 import org.springframework.expression.Expression;
 import org.springframework.expression.ExpressionParser;
-import org.springframework.expression.spel.antlr.SpelAntlrExpressionParser;
+import org.springframework.expression.spel.standard.SpelExpressionParser;
 import org.springframework.security.access.PermissionEvaluator;
 import org.springframework.security.access.expression.ExpressionUtils;
 import org.springframework.security.authentication.AuthenticationTrustResolver;
@@ -36,7 +36,7 @@ public class DefaultMethodSecurityExpressionHandler implements MethodSecurityExp
     private ParameterNameDiscoverer parameterNameDiscoverer = new LocalVariableTableParameterNameDiscoverer();
     private PermissionEvaluator permissionEvaluator = new DenyAllPermissionEvaluator();
     private AuthenticationTrustResolver trustResolver = new AuthenticationTrustResolverImpl();
-    private ExpressionParser expressionParser = new SpelAntlrExpressionParser();
+    private ExpressionParser expressionParser = new SpelExpressionParser();
 
     public DefaultMethodSecurityExpressionHandler() {
     }
diff --git a/core/src/main/java/org/springframework/security/access/expression/method/ExpressionBasedPreInvocationAdvice.java b/core/src/main/java/org/springframework/security/access/expression/method/ExpressionBasedPreInvocationAdvice.java
index 4278490612..d882e887e8 100644
--- a/core/src/main/java/org/springframework/security/access/expression/method/ExpressionBasedPreInvocationAdvice.java
+++ b/core/src/main/java/org/springframework/security/access/expression/method/ExpressionBasedPreInvocationAdvice.java
@@ -14,10 +14,8 @@ import org.springframework.security.access.prepost.PreInvocationAuthorizationAdv
 import org.springframework.security.core.Authentication;
 
 /**
- * If only a @PreFilter condition is specified, it will vote to grant access, otherwise it will vote
- * to grant or deny access depending on whether the @PreAuthorize expression evaluates to 'true' or 'false',
- * respectively.
-
+ * Method pre-invocation handling based on expressions.
+ *
  * @author Luke Taylor
  * @version $Id$
  * @since
diff --git a/core/src/main/java/org/springframework/security/access/prepost/PreInvocationAuthorizationAdvice.java b/core/src/main/java/org/springframework/security/access/prepost/PreInvocationAuthorizationAdvice.java
index 01feb65f91..1adb4c5fdd 100644
--- a/core/src/main/java/org/springframework/security/access/prepost/PreInvocationAuthorizationAdvice.java
+++ b/core/src/main/java/org/springframework/security/access/prepost/PreInvocationAuthorizationAdvice.java
@@ -12,5 +12,14 @@ import org.springframework.security.core.Authentication;
  */
 public interface PreInvocationAuthorizationAdvice {
 
+    /**
+     * The "before" advice which should be executed to perform any filtering necessary and to decide whether
+     * the method call is authorised.
+     *
+     * @param authentication the information on the principal on whose account the decision should be made
+     * @param mi the method invocation being attempted
+     * @param preInvocationAttribute the attribute built from the @PreFilte and @PostFilter annotations.
+     * @return true if authorised, false otherwise
+     */
     boolean before(Authentication authentication, MethodInvocation mi, PreInvocationAttribute preInvocationAttribute);
 }
diff --git a/core/src/main/java/org/springframework/security/util/MethodInvocationUtils.java b/core/src/main/java/org/springframework/security/util/MethodInvocationUtils.java
index 3197c8be9d..4f29babeae 100644
--- a/core/src/main/java/org/springframework/security/util/MethodInvocationUtils.java
+++ b/core/src/main/java/org/springframework/security/util/MethodInvocationUtils.java
@@ -16,8 +16,6 @@
 package org.springframework.security.util;
 
 import java.lang.reflect.Method;
-import java.util.ArrayList;
-import java.util.List;
 
 import org.aopalliance.intercept.MethodInvocation;
 import org.springframework.aop.framework.Advised;
@@ -57,13 +55,11 @@ public final class MethodInvocationUtils {
         Class<?>[] classArgs = null;
 
         if (args != null) {
-            List<Class<?>> list = new ArrayList<Class<?>>();
+            classArgs = new Class<?>[args.length];
 
             for (int i = 0; i < args.length; i++) {
-                list.add(args[i].getClass());
+                classArgs[i] = args[i].getClass();
             }
-
-            classArgs = list.toArray(new Class[] {});
         }
 
         // Determine the type that declares the requested method, taking into account proxies
@@ -109,7 +105,8 @@ public final class MethodInvocationUtils {
      * @param args the actual arguments that should be passed to SimpleMethodInvocation
      * @return a <code>MethodInvocation</code>, or <code>null</code> if there was a problem
      */
-    public static MethodInvocation createFromClass(Object targetObject, Class<?> clazz, String methodName, Class<?>[] classArgs, Object[] args) {
+    public static MethodInvocation createFromClass(Object targetObject, Class<?> clazz, String methodName,
+            Class<?>[] classArgs, Object[] args) {
         Assert.notNull(clazz, "Class required");
         Assert.hasText(methodName, "MethodName required");
 
@@ -117,7 +114,7 @@ public final class MethodInvocationUtils {
 
         try {
             method = clazz.getMethod(methodName, classArgs);
-        } catch (Exception e) {
+        } catch (NoSuchMethodException e) {
             return null;
         }
 
diff --git a/core/src/test/java/org/springframework/security/access/expression/method/MethodSecurityExpressionRootTests.java b/core/src/test/java/org/springframework/security/access/expression/method/MethodSecurityExpressionRootTests.java
index 504af7dca9..e6efb0b496 100644
--- a/core/src/test/java/org/springframework/security/access/expression/method/MethodSecurityExpressionRootTests.java
+++ b/core/src/test/java/org/springframework/security/access/expression/method/MethodSecurityExpressionRootTests.java
@@ -7,11 +7,10 @@ import org.jmock.Mockery;
 import org.junit.Before;
 import org.junit.Test;
 import org.springframework.expression.Expression;
-import org.springframework.expression.spel.antlr.SpelAntlrExpressionParser;
+import org.springframework.expression.spel.standard.SpelExpressionParser;
 import org.springframework.expression.spel.support.StandardEvaluationContext;
 import org.springframework.security.access.PermissionEvaluator;
 import org.springframework.security.access.expression.ExpressionUtils;
-import org.springframework.security.access.expression.method.MethodSecurityExpressionRoot;
 import org.springframework.security.authentication.AuthenticationTrustResolver;
 import org.springframework.security.core.Authentication;
 
@@ -22,7 +21,7 @@ import org.springframework.security.core.Authentication;
  * @version $Id$
  */
 public class MethodSecurityExpressionRootTests {
-    SpelAntlrExpressionParser parser = new SpelAntlrExpressionParser();
+    SpelExpressionParser parser = new SpelExpressionParser();
     MethodSecurityExpressionRoot root;
     StandardEvaluationContext ctx;
     Mockery jmock = new Mockery();
diff --git a/pom.xml b/pom.xml
index 9cd5b9ea44..f87ee282c7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -86,7 +86,8 @@
             <id>com.springsource.repository.bundles.release</id>
             <name>SpringSource Enterprise Bundle Repository - SpringSource Bundle Releases</name>
             <url>http://repository.springsource.com/maven/bundles/release</url>
-        </repository>       
+        </repository>  
+-->               
         <repository>
             <releases>
               <enabled>false</enabled>
@@ -94,11 +95,11 @@
             <snapshots>
               <enabled>true</enabled>
             </snapshots>            
-            <id>com.springsource.repository.bundles.snapshot</id>
-            <name>SpringSource Enterprise Bundle Repository - SpringSource Snapshot Releases</name>
-            <url>http://repository.springsource.com/maven/bundles/snapshot</url>
+            <id>com.springsource.repository.maven.snapshot</id>
+            <name>SpringSource Enterprise Bundle Maven Repository - SpringSource Snapshot Releases</name>
+            <url>http://maven.springframework.org/snapshot</url>
         </repository>
--->        
+      
         <repository>
             <releases>
               <enabled>true</enabled>
@@ -106,7 +107,7 @@
             <snapshots>
               <enabled>false</enabled>
             </snapshots>            
-            <id>Spring Framework Maven Milestone Releases</id>
+            <id>com.springsource.repository.maven.milestone</id>
             <name>Spring Framework Maven Milestone Releases (Maven Central Format)</name>
             <url>http://maven.springframework.org/milestone</url>
         </repository>      
@@ -114,7 +115,7 @@
 
     <pluginRepositories>
         <pluginRepository>
-            <id>com.springsource.repository.bundles.milestone</id>
+            <id>com.springsource.repository.maven.milestone</id>
             <name>SpringSource Enterprise Bundle Repository - SpringSource Milestone Releases</name>
             <url>http://repository.springsource.com/maven/bundles/milestone</url>
         </pluginRepository>
@@ -766,7 +767,7 @@
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>        
-        <spring.version>3.0.0.M3</spring.version>
+        <spring.version>3.0.0.BUILD-SNAPSHOT</spring.version>
         <jstl.version>1.1.2</jstl.version>
         <jetty.version>6.1.18</jetty.version>
     </properties>
diff --git a/web/src/main/java/org/springframework/security/web/access/expression/DefaultWebSecurityExpressionHandler.java b/web/src/main/java/org/springframework/security/web/access/expression/DefaultWebSecurityExpressionHandler.java
index 7c23543abd..110fe4d682 100644
--- a/web/src/main/java/org/springframework/security/web/access/expression/DefaultWebSecurityExpressionHandler.java
+++ b/web/src/main/java/org/springframework/security/web/access/expression/DefaultWebSecurityExpressionHandler.java
@@ -2,7 +2,7 @@ package org.springframework.security.web.access.expression;
 
 import org.springframework.expression.EvaluationContext;
 import org.springframework.expression.ExpressionParser;
-import org.springframework.expression.spel.antlr.SpelAntlrExpressionParser;
+import org.springframework.expression.spel.standard.SpelExpressionParser;
 import org.springframework.expression.spel.support.StandardEvaluationContext;
 import org.springframework.security.access.expression.SecurityExpressionRoot;
 import org.springframework.security.authentication.AuthenticationTrustResolver;
@@ -21,7 +21,7 @@ import org.springframework.security.web.FilterInvocation;
 public class DefaultWebSecurityExpressionHandler implements WebSecurityExpressionHandler {
 
     private AuthenticationTrustResolver trustResolver = new AuthenticationTrustResolverImpl();
-    private ExpressionParser expressionParser = new SpelAntlrExpressionParser();
+    private ExpressionParser expressionParser = new SpelExpressionParser();
 
     public ExpressionParser getExpressionParser() {
         return expressionParser;