Xbox 360 Games Extracted

Saw this over on digg. A group has already extracted the games and are welcoming people to take a look at the file system:

we even decided to release the source code, so that you can figure out the filesystem and make even nicer tools and clean up our horrible looking code, cause we are lazy and old!

Click here to view the website
No, they haven't yet figured out how to play backups on your Xbox 360. But it's a start.