Let's face it, for a free forum that is also hosted there, ProBoards does a pretty freaking good job. I complain about stuff, and wish some features that aren't here were. But for the sheer amount of forums they provide, completely free and host them to boot, they do a lot of work over there and I think it'd be cool if we showed them some appreciation. The support staff has never let me down when I've had issues with this place, and they're a really nice bunch of folks.
So, click the link above in Patrick's post, and vote for em. You don't have to sign up or anything. Takes two seconds. Just scroll down to Best Hosted Service. Currently in second place.