I really like the concept, reminds me of CouchApps (http://couchapp.org/ http://couchapp.org/). That being said, I agree with andrewjshults that sooner or late

I really like the concept, reminds me of CouchApps (http://couchapp.org/ http://couchapp.org/). That being said, I agree with andrewjshults that sooner or later you will need to write server side code, even if it is to proxy client side requests to another domain. mckoss, would it be worth making a server side implementation of your service for http://www.akshell.com http://www.akshell.com - a server side JavaScript platform with syncrhonous I/O and a browser based IDE. We're open sourcing the whole stack, so there would be a lot less lock in than with AppEngine. Drop me a line on our mailing list if you're interested: http://groups.google.com/group/akshell http://groups.google.com/group/akshell