I haven't been to Bell's yet, but I love their beer. Founders is a really cool place, I like the open air bar in the summer. I stopped at Shorts this summer, it's really neat, used to be a hardware store. I haven't been to Right Brain yet, but this summer in Ypsilanti i tried some of their Spiney Norman IPA and it was awesome. I used to like Mountain Town Station in Mt. Pleasant, but their quality seems to have gone downhill. The best beer I've had at a microbrew though is, The B.O.B.'s Full On IPA. It's sOOOOO good.
My dad's started to brew beer this year and the first one that I really liked is a clone of Sierra Nevada Torpedo.