Please check out and play with the Business Rules SE contributed by Milan Fort and provide feedback.
Main page is here:
http://wiki.open-esb.java.net/Wiki.jsp?page=Rules4JBI
Quick Start Guide is here:
http://wiki.open-esb.java.net/Wiki.jsp?page=Rules4JBI.QuickStartGuide
Screencast is here:
http://wiki.open-esb.java.net/attach/Rules4JBI/rules4jbi-screencast.html
