Just a quick heads up to let you know that Alien Game, which you've seen a bit before on our Channel 9 video should be available for download when the XNA Creators Club site goes back online. Until then here are a couple of screenshots to give you an early look at the finished version.
Mitch Walker from our team wrote this great sample so special thanks goes to him! I hope you'll learn from it as well as enjoy playing the game!
Dan Waters has created an excellent tutorial on getting started with XNA Game Studio 3.0 and game development for Zune. If you need some extra guidance getting started I would highly recommend checking out his post. You'll also find the video below: