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.
Why would you want to do this? It is basically missing the point of SOAP-RPC... if you are going down this route it really feels like you should be doing Document-based Web Services. Am I missing something?