- Download the latest jars from http://www.sencha.com/products/extgwt/download/
- Follow the "setup.txt" create a eclipse project.
- Add all the folders in samples/**/src as source folder
- Expand the samples/examples.war into the "war" folder in your eclipse dir
- Delete the old "gxt.jar" from the WEB-INF/lib and replace with the gxt-2.2.3-gwt22.jar (seems like an old version is bundled with the samples.war)
- Run As, Web app, explorer.html, cross fingers...