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.
If you're willing to spend some money, IBM's Rational Application Developer (Formerly WebSphere Studio Application Developer) has a lot of good tools for developing Struts applications. If you're looking for something a little cheaper, you can check out MyEclipse, which is quite inexpensive, and has some Struts utilities.