XNA Game Framework @ CodePlex

Glenn Wilson has released a game framework on CodePlex. The project has no releases yet, but the source code is available.

Project Description
The XNA Game Framework is a simple framework that will allow you to start you XNA Game Quickly. Included in the Framework is a Game State System with Audio and Storage Systems. As the project grows more Functions and Systems will be added.

Glenn Wilson is a Microsoft MVP for DirectX.

Edit: As Glenn stated below, the code will be available as of this weekend.