What can you do with XNA?
While I am waiting before releasing any video for my XNA based game.. here is some of the impressive videos done in XNA
Racer
[youtube]http://www.youtube.com/watch?v=-OHJpeCwOmk[/youtube]
Speed Coding with XNA
[youtube]http://www.youtube.com/watch?v=dDsEx8FKmJU&mode=related&search=[/youtube]