In Sun Java Studio Creator 2, support has been added for JSR-168 JSF Portlets. Portlets created in the Creator 2 tool can be deployed to Sun Java Portal Server 6.3.1. To learn more about Sun Java Studio Creator 2 and it's Portlet supports, see:
http://developers.sun.com/prodtech/javatools/jscreator/reference/fi/portlets.html
http://developers.sun.com/prodtech/javatools/jscreator/reference/techart/2/portlet_deploy.html