We're signed up at GameBattles now. We'll be signing up for every decent looking ladder/league until one of them establishes itself as the dominating league to be in for Gears of War.
Please, everyone go to
www.gamebattles.com and then go to join our clan. Here's our clan page:
http://gearsofwar.xbox360.gamebattles.com/stats/118
If you need any help figuing anything out, just reply here and people will be more than happy to help. Some of it was even a little confusing for me, so don't hesitate to ask.