PatrioticAmerican claimed he had knowledge of one, tho he wouldn't give me details. Maybe he'll be more forthcoming with you?
I've played with .NET, built a few tools in C#, and a small 'Jeapordy' game for the Director of QA to use in classes.
It's okay, but really not quite ready for prime-time, in my estimation. There are quite a few issues to be worked out.
But it's nice, and a major improvement over previous MS technologies -- altho it's about 2 years behind Java, and falling fast . . .