I'm running Liquid GB 1.3 right now, but it has become really laggy. If I press a the soft home key it takes a looooong time for the home screen to appear (and the transition is super jerky). Same for starting other apps.
I've tried Jeffv2's GB rom: pretty decent but I wanted a rom with more support, features, and themes.
I tried UD's GB roms and they were very buggy for me. UD was my absolute favorite Froyo rom (before UD1.0 to UD2.5). It was super smooth and had great features. I'm very tempted to just put UD2.5 back on and forget GB!
I know Pete has a GB rom as does Chevy (and others). I'm curious which one I should try next. I have to do a full wipe and it is a pain to get my droid setup back the way I like it. So I would prefer to get some advice before trying every rom!