Guilty of absolutely none (playing almost no online games probably has something to do with it).
The only DLC I've bought was the Fallout 3 DLC, (all five) but that game with the Game of the Year edition, so it came out to $10-$20. Well worth it.
The only DLC I've bought was the Fallout 3 DLC, (all five) but that game with the Game of the Year edition, so it came out to $10-$20. Well worth it.