In their GDC keynote earlier today, Microsoft announced that users will soon have the ability to play, rate and share community-created games over Xbox LIVE. Along with the announcement came the news that seven original XNA 2.0 games will be immediately available on Xbox LIVE Marketplace. Hit the link for the full press release.

Update: Major Nelson has just announced the availability of the XNA Creators Club Game Launcher from Xbox LIVE Marketplace. The app will allow you to download an launch games from the XNA Creators Club.

Link: Xbox 360 Becomes First Video Game Console Ever to Invite the World to Create Original Games and Share Online With Millions