I have an account on 1UP.com, but their site is boring. Haven't been on in ages.
I frequent NeoGAF often, but I'm not sure if I want to join their site.
Before Black Ops launched, I was on the Call of Duty forums with around 500 posts. I left there after the whole Black Ops PS3 meltdown. Still lurk there though.
I lurk on the BF3 forums almost every day. I'll join that site sooner or later.
I contemplated GameSpot, and IGN, but the community seems to seperated, and there are a lot of fanboys on GameSpot.
I may start posting on the PS forums if their forums have interesting discussions and stuff.
Other forums I visit are Ubisoft and EA.
The only non-gaming forum I have an account on is ESPN. I used to post regularly, but there was a massive exodus last year after they redesigned the site, and most of their forums are dead now.
