I saw a demo of a Netduino a .NET developers group in Raleigh, and was very impressed. It was extremely cool to see someone step through C# code in Visual Studi

I saw a demo of a Netduino a .NET developers group in Raleigh, and was very impressed. It was extremely cool to see someone step through C# code in Visual Studio that was running on the board. IIRC, the SDK runs on the Express (free) version of Visual Studio as well, so you really can get started for $35.