I just started a new GWT project for a client and I\'m interested in hearing people\'s experience with various GWT MVC architectures. On a recent project, I used both GXT MV
If you're interested in using the MVP architecture, you might want to take a look at GWTP: http://code.google.com/p/gwt-platform/ . It's an open source MVP framework I'm working on, that supports many nice features of GWT, including code splitting and history management, with a simple annotation-based API. It is quite recent, but is already being used in a number of projects.