A while ago, some posters mentioned that it would be good if LW had a forum. Earlier this week I was planning a role-playing game with some other users and decided that a forum would be a good place for us and other groups to play online. And the Less Wrong Forum was born.
Currently, the forum has three boards: Gaming, Less Wrong/SIAI Related Topics, and General/Meta. The Gaming board is for RPGs, Diplomacy, Zendo, or any other games rationalists might enjoy playing together. The LW/SIAI board is for discussing any of the topics we normally discuss on Less Wrong. The General/Meta board is for random topics and discussions of the LW site or the forum itself.
EDIT: Looks like a supermajority of commenters don't want the LW board to exist because it would be redundant with the discussion section. I'll leave it up for a bit longer, and take it down if nobody says they support it.
I encourage everyone to check out the forum and help make it a fun and useful part of the online rationalist community. Please make suggestions in the comments (or on the forum itself!) about how it can be improved.
EDIT: Due to problems with trolls, registration now requires an invite. If you want an account, say so in the comments and I or the other admin (Armok_GoB) will get you one.
I don't mean to stray offtopic too far, but the IRC room is actually pretty good. There have been two or three trolls but they haven't stuck around for more than a few days.
They might have left due to moderation, but if so I wasn't around to see it. If it was then I'd say that's a point in favor of non-LW.com things doing alright with vigilant moderation.
It might have changed since I were there but the prior probability off somehting in that reference class improving is VERY low. There are an at least several weeks long period where it was a cesspool winch cased me to quit.