This week's book giveaway is in the OCMJEA forum. We're giving away four copies of OCM Java EE 6 Enterprise Architect Exam Guide and have Paul Allen & Joseph Bambara on-line! See this thread for details.
I don't think that the JSP navigation fully made it into Eclipse 3.0. I've not tried navigating from a JSP yet in RC3 so I can't say for sure. Which version are you on?
There was a lot of talk about this feature much earlier and it was on the list of things that was going to get done. Guess we have to wait for 3.1M1. If history serves as a guide that will not be very far out.