Microsoft Robotics Developer Studio project with a Lego NXT 2.0 MINDSTORMS robot.
Blog entry: http://blog.bodurov.com/Lego-NXT-Mindstorms-with-Microsoft-Robotics-Developer-Studio/
Source Code: http://legobotprima.codeplex.com/
Article: http://www.simple-talk.com/dotnet/.net-framework/using-microsoft-robotics-developer-studio-with-lego-mindstorms-nxt-robot/
MRDS DSS Service controls the hardware. Modification #1: The robot uses a compass, ultrasound distance sensor, two bumpers and two motors. It goes around while trying to avoid obstacles and draws a picture of its current state on a WPF application.
Check also my second video of my second hardware setup http://www.youtube.com/watch?v=rAxK-zOwePs&feature=related