This week's book giveaway is in the OO, Patterns, UML and Refactoring forum. We're giving away four copies of Refactoring for Software Design Smells: Managing Technical Debt and have Girish Suryanarayana, Ganesh Samarthyam & Tushar Sharma 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.