Microsoft has announced the Dream Build Play 2008 Challenge to reward the best game made for Xbox 360 using XNA 2.0. In this version, you can make a game with a team of 1 to 7 people. The prices totaling $75,000 USD and a chance to have the game published. And there’s more! When you register, you get a free 12-month XNA Creators Club trial membership!
The event will be from June 5th to September 23rd, 2008. The link with more information is here.