Microsoft launched a new contest called RoboChamp which is a simulated robotics competition.
By using Robotics Developer Studio 2008, you have the ability to write code or use an xbox 360 controller.
If you need some help getting started, RoboChamps has a detailed instructions area.
Website – www.RoboChamps.com
Channel 9 video – https://channel9.msdn.com/Showpost.aspx?postid=399952
.NET Rocks Podcast – http://perseus.franklins.net/dotnetrocks_0336_marc_mercuri.wma
On10.net video – http://www.on10.net/blogs/tina/Robo-Champs-My-robot-is-bigger-then-your-robot/