Modern Warfare 2 (360, PS3, PC) UK sales based on first week:
Weeks:
46 - 1,780,000
47 - 249,000 (-86%)
48 - 169,000 (-32%)
49 - 158,000 ( -7%)
50 - 140,000 (-11%)
51 - 144,000 ( +3%)
52 - 169,000 (+17%)
53 - 100,000 (-41%)
01 - 59,000 (-41%)
02 - 49,000 (-17%)
03 - 44,000 (-10%)
04 - 43,000 (-3%)
Total - 3.1m
Thats mean Just Dance > 43,000 > MAG