I dont know if anyones posted these yet, but I was just at the HVS-Network and thought It would be nice to update everyone here with this bunch.
"-Crouch can be toggled on/off. -14 different online multiplayer modes. -A "replicator" system built into Atlantis. Whatever your loadout in single player, transitions over to multiplayer. -Four loadout slots. -Loadout slots can be unlocked through purchasing. -Huge character model variety, including female avatars. -Headbanger headset can be used with those on rival list. -Structure already in place for DLC, no announcements for the time being."