I've tried it, played with it, and it's honestly just so much less-rich than Flash and significantly slower than Flash that we bailed on it and went with Flash.

I've tried it, played with it, and it's honestly just so much less-rich than Flash and significantly slower than Flash that we bailed on it and went with Flash. I liked the idea of Silverlight (I'm a .NET guy) but at the end of the day, it was more about user experience than developer experience and we felt Silverlight just didn't give us what we thought our users wanted.