GTA IV knocks CoD4 off Live top spot

Another giant shock. Don't expect this to change any time soon. Figures are based on unique users and are from the week starting April 28.

1. GTA IV
2. Call of Duty 4
3. Halo 3
4. Guitar Hero III
5. Gears of War
6. Rock Band
7. Tom Clancy's Rainbow Six® Vegas 2
8. Iron Man Demo
9. FIFA 08
10. Forza Motorsport 2