CK's Developer Blog

The below links provide an insight regarding JSF and RichFaces optimization.

http://www.javaplex.com/blog/optimizing-jsf-richfaces-applications/

http://www.jsfcentral.com/articles/speed_up_your_jsf_app_1.html

You can find the  list of Java EE 6 Technologies specifications at  http://java.sun.com/javaee/technologies/javaee6.jsp