I use vBulletin now for 5 months and so far I like it.
Hell and Heaven Net Forums is a Square-Enix (Final Fantasy mostly) community with a RPG, Triple Triad and Arcade system.
Here's the link:
http://forums.hellandheavennet.com
The thing I think that needs working is the style. Problem is I haven't got a good experience with forum style making and there aren't much free styles...