Bungie has announced that they will let Halo 3 players download the Heroic Map Pack for free, starting next Tuesday. Bungie.net has all the information, and you can find their video showing the content here.
@Tinks: i'd watch that (56 minutes ago)
@Tiz: John finds out he's Dany's nephew after countless banging sessions. He finds out who his family is, but has sex with his aunt. I'd say that's a bittersweet way to end things (5 Hours ago)
@KORNdog: I'm hearing the word 'bittersweet' being used a lot in conjunction with the ending. Could be a union of all the Kingdoms facing the long night with casualties in the millions. (14 Hours ago)