Will MW2 cause 360 to sell 300,000+ its launch week?

[NSS7]

No. Halo:ODST only boost 15% with only one halo series (Halo Wars not FPS) on X360. There were 4 COD released since X360 launch. I'm sure it will boost about 40-50% system but not as high as 300k. Maybe will almost equal with PS3 sales but not outsold it.