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 I have just one dispatcher servlet I typically set it to /. I also let the dispatcher servlet serve the static resources. I find this more convenient and flexible as it does not involve a container specific solution or dependency on a default servlet.