XNA Game Studio 3.0 expands on all the offerings of earlier iterations to include additional functionality to appeal to game developers of every level and enable them to create games to distribute through Xbox LIVE Community Games on the Xbox 360 as part of the New Xbox Experience. The ultimate goal with XNA Game Studio 3.0 is to continue to provide easy-to-use, approachable tools for hobbyists, academics and indie game developers capable of producing the best games to be shared with the world on Xbox 360, Windows PC and Zune. The best part about this development is that XNA3 plugins into the VS2008 IDE and you get to create exciting games using managed Code vs using C++. Also, Microsoft will be paying $99 for each game created and uploaded to their site and will all he creator to set the price of the game and it will be made available over XBoxLive for download by gamers.
You can download the code from http://www.microsoft.com/downloads/details.aspx?FamilyId=7D70D6ED-1EDD-4852-9883-9A33C0AD8FEE&displaylang=en
Have Fun & let the games begin!
-Ivan
http://linkedin.com/in/iasanders