• Project Upgrade Wizard: Convert your existing XNA Game Studio Express projects to XNA Game Studio 2.0 quickly and easily using this free utility
• Net Rumble Starter Kit (Beta): Net Rumble is a complete XNA Game Studio game that you can build, play, and modify. Showcasing the new multiplayer features in XNA Game Studio, Net Rumble is a two-dimensional shooter where up to sixteen players compete online in a death match arena filled with asteroids and power-ups
• Audio 3D Sample (Beta): This sample shows how to position sounds in 3D space, implementing panning, Doppler, and distance attenuation effects.
• Bloom Postprocess Sample (Beta): This sample shows how to use bloom post-processing filters to add a glow effect over the top of an existing scene.
• Game State Management Sample (Beta): This sample shows how to manage the transitions between different menus and gameplay states.
• Normal Mapping Effect Sample (Beta): This sample builds on the concepts illustrated in the Custom Model Effect sample, and applies a normal mapping effect to a mesh. The sample also uses a custom content processor to demonstrate two additional concepts: adding and removing per vertex data from a mesh, and reading opaque data.

Via XNA Creators Club Online