Just noticed this implemenation and will probably check it out in the
future. I thought this blog I wrote might be of interest to you:
http://gogocarl.blogspot.com/2008/04/internet-alternative-to-gwts-rpc.html
You may want to Google for the RestLet project as well. I read that
you're trying to be language-independent, but like I said you may find
it interesting. I, too, am not the biggest RPC fan so anything as an
alternative to that is lovely!
--
Carl Scott
Software Developer, Solertium Corporation