Some people aren't happy unless a game is 1440p at 144hz.
Even then, they moan the graphics aren't very good. Look at some of the comments in the COD: AW thread.
There's nothing wrong with a 'locked' 30fps framerate so long as the game was designed with that in mind. Forza Horizon 2 on Xbox One is the perfect example of this.
I have a (really) decent PC, Xbox One and PS4.
Means I can play amazing games like 'The last of us' and not worry about graphics options.
But in general, if it's multi-platform I get the PC version.