NHibernate has been in the pipeline for a while now. An introduction can be found here.
Oh, and a early version of Python has been released for the CLR too. The Serverside .NET
Alright, I’m not going to claim to be an expert on .NET, but I was surprised to find they have ported C++ to run on the CLR. Maybe I’m just slow catching up. Introduction here.
My first thought was that C++ might get the garbage collection from the CLR, but it seems this is only a partial feature, and a complete one is on their wishlist.