GWT Developer Soapbox - DOM Abstraction, Comet Support
One thing I like about Google Web Toolkit - DOM abstraction, event handlers. One thing I'd like to see - Comet support, better Maven build integration.
Justin Kitagawa of GoGrid, a cloud computing infrastructure service provider which enables you to deploy and scale load-balanced cloud server networks via a unique multi-server control panel. GoGrid was built with Google Web Toolkit and recently won Best in Show at LinuxWorld 2008.
Learn more about GWT at http://code.google.com/gwt