A couple of very cool things were announced this week by Microsoft that pertain to XNA:

Xbox LIVE Community Games announced

Xbox LIVE Community Games is a newly announced offering which pioneers upon the industry leading Xbox LIVE service to provide gamers an opportunity to share, peer review, download and play games created by the community, for the community. Starting with the beta launch of the service later this spring, members with an XNA Creators Club subscription will be able to submit their own game creations for self-publishing through to Xbox LIVE Marketplace via the http://creators.xna.com website.

Zune game development support announced for XNA Game Studio 3.0

Today the XNA Community Games Platform team announced the first feature of the coming XNA Game Studio 3.0, the ability to build games for the Zune platform. XNA Game Studio 3.0 allows all game developers to create unique and imaginative games for the entire family of Zune media devices. A preview release of XNA Game Studio 3.0 will be available in the Spring 2008 timeframe, with a final release scheduled for the holiday 2008 season.