diff --git a/aspectwerkz/plugin.jelly b/aspectwerkz/plugin.jelly
index 5432989e..c21fda48 100644
--- a/aspectwerkz/plugin.jelly
+++ b/aspectwerkz/plugin.jelly
@@ -185,8 +185,6 @@
       <!-- TODO: only run aspectc if sources are newer than target
            XML definition file -->
 
-      <ant:mkdir dir="${maven.aspectwerkz.weave.build.dir}"/>
-
       <!-- Transforming Ant path structure into a list of dirs that can be used
            to define an Ant fileset. We're using <pathconvert> to automatically
            separate dirs with a known delimiter independently of any 
@@ -206,10 +204,11 @@
             classSrc="${maven.aspectwerkz.build.dest}"/>
       </j:if>
 
-      <!-- AspectC currently has a bug in that it creates a java.lang.Object class file in the output directory. Until
-           this is fixed, we need to remove that files. Otherwise, AspectWerkc will try to instrument it, which will
-           lead to an error... -->
-      <ant:delete file="${maven.aspectwerkz.weave.build.dir}/java/lang/Object.class"/>
+      <!-- AspectC currently has a bug in that it creates a java.lang.Object 
+           class file in the output directory. Until this is fixed, we need to
+           remove that files. Otherwise, AspectWerkc will try to instrument it, 
+           which will lead to an error... -->
+      <ant:delete file="${maven.aspectwerkz.aspectc.build.dir}/java/lang/Object.class"/>
 
     </j:if>
 
@@ -227,32 +226,49 @@
 
     <!-- TODO: Add support for extension classes -->
 
+    <!-- Create a path for the -cp parameter of the AspectWerkzC class -->
+    <ant:path id="aspectwerkzc.cp">
+      <!-- Search for aspect libraries to weave to the source code. These are
+           defined as dependencies in project.xml -->
+      <j:forEach var="artifact" items="${pom.artifacts}"> 
+        <j:set var="dep" value="${artifact.dependency}"/> 
+        <j:if test="${dep.getProperty('aspectwerkz.library') == 'true'}">
+          <ant:pathelement location="${artifact.path}"/>
+        </j:if>
+      </j:forEach>
+    </ant:path>
+    <ant:property name="aspectwerkzcp" refid="aspectwerkzc.cp"/>
+
     <ant:java dir="${maven.build.dir}" failonerror="true" fork="true"
         classname="org.codehaus.aspectwerkz.compiler.AspectWerkzC">
 
       <j:if test="${context.getVariable('maven.aspectwerkz.verbose') == 'true'}">
         <ant:sysproperty key="aspectwerkz.transform.verbose" value="true"/>
       </j:if>
+
+      <ant:sysproperty key="aspectwerkz.classloader.preprocessor" 
+          value="${aspectwerkz.classloader.preprocessor}"/>
         
       <ant:sysproperty key="aspectwerkz.transform.filter" 
           value="${maven.aspectwerkz.transform.filter}"/>
+
       <ant:sysproperty key="aspectwerkz.definition.file" 
           value="${maven.aspectwerkz.definition.file}"/>
 
       <ant:arg value="-verify"/>
       <ant:arg value="-haltOnError"/>
 
-      <ant:arg file="${maven.aspectwerkz.weave.build.dir}"/>
+      <j:if test="${!empty(aspectwerkzcp)}">
+        <ant:arg line="-cp ${aspectwerkzcp}"/>
+      </j:if>
+
+      <!-- If using the attribdef mode, weave classes generated by aspectc -->
+      <j:if test="${context.getVariable('maven.aspectwerkz.mode') == 'attribdef'}">
+        <ant:arg file="${maven.aspectwerkz.aspectc.build.dir}"/>
+      </j:if>
+
+      <!-- TODO: Add support for xmldef mode -->
 
-      <!-- Search for aspect libraries to weave to the source code. These are
-           defined as dependencies in project.xml -->
-      <j:forEach var="artifact" items="${pom.artifacts}"> 
-        <j:set var="dep" value="${artifact.dependency}"/> 
-        <j:if test="${dep.getProperty('aspectwerkz.library') == 'true'}">
-          <ant:arg file="${artifact.path}"/>
-        </j:if>
-      </j:forEach>
-        
       <ant:classpath>
         <ant:path refid="classpath.main"/>
         <ant:pathelement location="${plugin.getDependencyPath('ant:ant')}"/>
@@ -264,6 +280,14 @@
   
     </ant:java>
 
+    <!-- Copy weaved classes to target directory -->
+    <ant:mkdir dir="${maven.aspectwerkz.weave.build.dir}"/>
+    <j:if test="${context.getVariable('maven.aspectwerkz.mode') == 'attribdef'}">
+      <ant:copy todir="${maven.aspectwerkz.weave.build.dir}">
+        <ant:fileset dir="${maven.aspectwerkz.aspectc.build.dir}"/>
+      </ant:copy>
+    </j:if>
+
   </goal>
     
   <!--
@@ -281,6 +305,8 @@
     <define:tag name="aspectc">
 
       <ant:echo>Parsing [${javaSrc}] using [${classSrc}] ...</ant:echo>
+
+      <ant:mkdir dir="${maven.aspectwerkz.aspectc.build.dir}"/>
       
       <ant:java dir="${maven.build.dir}" failonerror="true" fork="true"
           classname="org.codehaus.aspectwerkz.attribdef.definition.AspectC">
@@ -295,8 +321,8 @@
         <!-- Path to classes dir -->
         <ant:arg file="${classSrc}"/>
 
-        <!-- (optional) Path to where weaved classes will be generated -->
-        <ant:arg file="${maven.aspectwerkz.weave.build.dir}"/>
+        <!-- (optional) Path to where aspectc result will be put -->
+        <ant:arg file="${maven.aspectwerkz.aspectc.build.dir}"/>
 
         <ant:classpath>
           <ant:path refid="classpath.main"/>
diff --git a/aspectwerkz/plugin.properties b/aspectwerkz/plugin.properties
index e5c17f08..a190dcd5 100644
--- a/aspectwerkz/plugin.properties
+++ b/aspectwerkz/plugin.properties
@@ -21,6 +21,9 @@ maven.aspectwerkz.definition.validate = false
 # Verbose mode
 maven.aspectwerkz.verbose = false
 
+# Classloader to use for class files weaving
+aspectwerkz.classloader.preprocessor = org.codehaus.aspectwerkz.transform.AspectWerkzPreProcessor
+
 # (optional) The AW plugin looks for source files in ${pom.sourceDirectory}. 
 # It also supports all source directories added to the ${maven.compile.src.set}
 # Ant path variable. Moreover, if you wish to keep non-production aspects in a 
@@ -38,6 +41,9 @@ maven.aspectwerkz.verbose = false
 # Location of the XML definition file.
 maven.aspectwerkz.definition.file.src = ${basedir}/conf/aspectwerkz.xml
 
+# Location where aspectc results will be generated.
+maven.aspectwerkz.aspectc.build.dir = ${maven.build.dir}/aspectwerkz/aspectc
+
 #----------------------------------------------------------------------------
 # xmldef mode properties
 # ---------------------------------------------------------------------------
@@ -47,7 +53,8 @@ maven.aspectwerkz.definition.file.src = ${basedir}/conf/aspectwerkz.xml
 # used in "xmldef" mode.
 maven.aspectwerkz.definition.file.build = ${maven.build.dir}/aspectwerkz.xml
 
-# TODO: explain property here
+# If set to "no", prevents org.codehaus.aspectwerkz and related classes 
+# (jexl, trove, dom4j...) from being instrumented.
 maven.aspectwerkz.transform.filter = no
 
 # (optional). Definition file to be merged with the main definition file. 
diff --git a/aspectwerkz/src/plugin-test/project.properties b/aspectwerkz/src/plugin-test/project.properties
index 179a3350..06a18ebe 100644
--- a/aspectwerkz/src/plugin-test/project.properties
+++ b/aspectwerkz/src/plugin-test/project.properties
@@ -5,3 +5,4 @@
 maven.aspectwerkz.verbose = true
 maven.aspectwerkz.src.dir = ${basedir}/src/aspectwerkz
 maven.aspectwerkz.build.dest = ${maven.build.dir}/aspectwerkz/classes
+maven.aspectwerkz.weave.build.dir = ${maven.build.dir}/aspectwerkz/weaved
diff --git a/aspectwerkz/xdocs/properties.xml b/aspectwerkz/xdocs/properties.xml
index 02c4e96f..b62a3f5d 100644
--- a/aspectwerkz/xdocs/properties.xml
+++ b/aspectwerkz/xdocs/properties.xml
@@ -104,6 +104,14 @@
             <code>maven.aspectwerkz.build.dest = ${maven.build.dir}/aspectwerkz/classes</code>.
           </td>
         </tr>
+        <tr>
+          <td>aspectwerkz.classloader.preprocessor</td>
+          <td>Yes</td>
+          <td>
+            Classloader to use for class files weaving. Defaults to
+            <code>org.codehaus.aspectwerkz.transform.AspectWerkzPreProcessor</code>.
+          </td>
+        </tr>
       </table>
     </section>
 
@@ -122,6 +130,14 @@
             <code>${basedir}/conf/aspectwerkz.xml</code>.
           </td>
         </tr>
+        <tr>
+          <td>maven.aspectwerkz.aspectc.build.dir</td>
+          <td>Yes</td>
+          <td>
+            Location where aspectc results will be generated. Defaults to
+            <code>${maven.build.dir}/aspectwerkz/aspectc</code>.
+          </td>
+        </tr>
       </table>
     </section>
 
@@ -163,7 +179,9 @@
           <td>maven.aspectwerkz.transform.filter</td>
           <td>Yes</td>
           <td>
-            TODO: explain property here. Defaults to <code>no</code>.
+            If set to "no", prevents <code>org.codehaus.aspectwerkz</code> and
+            related classes (jexl, trove, dom4j...) from being instrumented.
+            Defaults to <code>no</code>.
           </td>
         </tr>
       </table>