While the excellent GWT in Action was released last month, there are lots of people that want to get their feet wet before plunking down $50 for a book.
To that end, I've pulled together all of the GWT tutorials I'm aware of.
There's a little bit of everything here: simple getting started guides; "Hello, World!" apps in all flavors; tutorials that focus on a specific aspect of GWT, such as history management and JSON; extensive examples that are still valuable even if you have the aforementioned book; guides for integrating GWT with a non-Java backend.
Hopefully, you will find something to your liking here.
http://blogs.pathf.com/agileajax/2007/07/36-gwt-tutorial.html
