This week's giveaway is in the EJB and other Java EE Technologies forum. We're giving away four copies of EJB 3 in Action and have Debu Panda, Reza Rahman, Ryan Cuprak, and Michael Remijan on-line! See this thread for details.
The exam is mostly annotation based. I didn't have any questions about the xml descriptor, but I think some ranchers mentioned they had one or two questions on it. Note that you can guess most tags if you know the annotation.