I know we have talked about needing a proper ejb3 spi for ws to use, and that this should be part of the integration project. I have this ejb3 forum thread to track its completion:
http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4132713#4132713
We need this in order to externalize the ejb3 core apis. Is there agreement on what is needed?