The XNA 1.0 Release is now up for download.
http://www.microsoft.com/downloads/details.aspx?FamilyID=a73a7e71-ff41-432d-a0eb-043e904a1905&DisplayLang=en
The XBox360Homebrew contest is drawing to an end. All entries have been submitted and you can download them from http://www.xbox360homebrew.com .
Congratulate all of the contestants, they did an amazing job, and put a lot of work into these games.