I remember the hype created when amd came to market first with dx11 cards especially with dirt 2 being used to highlight the amazing dx11 effects. Here we are 2 years on with crysis2 having an afterthought dx11 patch and more recently batman arkham city owners told to play in dx9 until they can be arsed to fix dx11
Pc gamers by there very nature tend to be tech enthusiasts, benchmarking games to get the best visuals/fps even if the game they benchmark is not the kind of game they would play. This enthusiasm for mooarr powerrrr is exploited by manufacturers releasing tech which is miles ahead of what consoles can do but ultimately is impotent as no sod develops for it properly.
Saying that I love my new gtx560ti and I cant wait to get the gtx 580 when my wallet allows