Xbox Live's Major Nelson : Top Xbox Live Games for week of 7/24:

Xbox 360 Top Live Games
1 Call of Duty 2
2 Ghost Recon 3
3 Chromehounds
4 NCAA 07
5 Oblivion
6 Final Fantasy XI
7 BFMC
8 Lord of the Rings: BFME2
9 PGR3
10 EA SPORTS™ Fight Night Round 3"