This week's book giveaway is in the OCPJP forum. We're giving away four copies of OCA/OCP Java SE 7 Programmer I & II Study Guide and have Kathy Sierra & Bert Bates on-line! See this thread for details.
Yes, Rafael acknowledged at some point that work on JForum 3 was very slow, as he was the only one working on it. Not sure if that's still true now. if you're looking for a somewhat active branch, check out https://code.google.com/p/jforum2/.