The only real competition I can see is if Microsoft somehow was able to keep Combat Flight Simulator 4* a secret and release it a month before COD with a huge amount of publicity and media attention and plaster every store that still sells PC games with their boxes and offer it with a 25% off coupon for a newly released MS FFBIII joystick, and also it's only $20 and covers not only the Battle of Britain, but another 2-3 theaters as well and comes with the SDK for no extra charge. Also the game can give perform fellatio on you like a pro.

That might hurt COD a bit!

That might get a few of the casual "on the fence" people to buy that and then skip COD. BUT! If this game is going to turn out how I think it is, every review that would come for CFS4 would also mention how it pales in comparison to COD and how it drags it's teeth a little too much.

*hopefully does not exist