"If you look at Richard Grimes history with .Net, you'll find that he's complained about it for years and has actually stopped developing with it."

Here's an article from Richard about .NET.
http://www.ddj.com/documents/s=9211/ddj050201dnn/

also this article is interesting:
http://www.joelonsoftware.com/articles/APIWar.html

Regards
Christian