I'm not generalizing but I know a lot of people who hate/won't use .Net mainly because it is a Microsoft product.
What I believe is good with .Net is the 3rd-party support (free or commercial). The Visual Studio tool is also very easy to use and ramps up your development.
I'll send you an email.
There was a related thread a few weeks ago.
http://news.ycombinator.com/item?id=76204