I've been sitting on these links too long. Time to set them free.
Disclaimer: I have no connection to the book or Packt Publishing beyond being invited as a technical reviewer on the rough first version of the book. Unfortunately the deadline(s) for review were around my Wedding, so I could not participate.
Packt Publishing have released
I bought a copy recently and from my first looks I find that it is covering all the major features in JBoss Tools 3 and Developer Studio 2.
If you like to have an alternative to our user guides and especially if you are more to dead trees than screen reading then give the book a try.
If you do, I would be interested in hearing what you think about it compared to our online documentation.
John G. and my Excellent Plug-in Adventure for EclipseCon 2009 is now available from Eclipse Live. If you are into Eclipse plug-in development and would like to hear about all the mistakes we and many others have made and hear a few solutions too then take a look.
'Someone' have been having fun and started Being The Continuing Adventures of The Captains Of Awesome - bonus points to those who can figure out the connection to JBoss Tools (no, nickb is not the answer)