Call of duty vs Battlefield

At the risk of opening some unnecessary "COD is terrible, BF 4ever!" argument, I am very eager to see if Modern Warfare will actually be a good game. Because if it is, it might act as some motivator for DICE and EA to step up their act in the FPS genre as it feels like they've held some form of monopoly for the last few years.

I know that people can play both games, which I also intend on doing, but from a company perspective it's always about their own game - so hopefully if COD is a success, DICE will react and put more into the next BF.