Do an arena style BG with 20-30 players as a free for all. The maps need to be larger, maybe as high as 5 stories. To stop tanks, make each kill give extra penetration and wep/spl dmg. Game timer of 30 minutes. Have a leader board for wins, losses, KDR. Could have a title and a skin too. With say 5 minutes left, make you take damage based on % of health and killing a player cuts the percentage down. Example, at 5 minutes, you take 2% dmg per second, a kill would remove this for 1 minute. At 2 minutes it goes to 4% per second. Last man standing gets wins. This would be a ton of fun and I'd bet a lot more people would do this.