Is there a reason why the pluggable instrumentors are not included in the AS build? Requiring users to download AOP and then manually install them is not only a PITA, people often end up using the wrong version.
Galder raised this question internally for a support case a few days ago, and it has now been added.
http://jira.jboss.com/jira/browse/JBAS-5331
http://jira.jboss.com/jira/browse/JBPAPP-709