Bring back the 20 BBs or even increase the number. If anyone is getting hysterical about BBs (wow, just wow) causing lag - remove smokes.
Let's see... with 10 BBs per team, it's not hard to compensate for the loss of 1 or 2 ( low lvl/low skill/crash ). With 6 - just forget it. Not even mentioning a BB6 being present in the room...
Or simply rename GB to "Small battle", maybe "Just A Brawl".
edit: Oh, and move this thread back to General. It's kinda hidden here, and it's not a suggestion but a complaint.