Just wanted to come by and say I've had no issues running DX11, think it looks great and I also have some screen shots and videos to show it off to people that can't run it. Not in a mean way ether.
Crysis 2 DX11 All Full Ultra Settings - 1920x1200
http://img802.imageshack.us/img802/4647/crysis22011062716115678.png
http://img835.imageshack.us/img835/2668/crysis22011062716120029.png
http://img96.imageshack.us/img96/410/crysis22011062716120865.png
http://img810.imageshack.us/img810/9880/crysis22011062716134198.png
http://img163.imageshack.us/img163/2456/crysis22011062716182188.png
http://img221.imageshack.us/img221/1885/crysis22011062716194196.png
http://img810.imageshack.us/img810/2696/crysis22011062716314702.png
http://img64.imageshack.us/img64/4537/crysis22011062716315330.png
http://img803.imageshack.us/img803/7971/crysis22011062716333896.png
FPS without Fraps on between 40-80 FPS, doesn't seem to drop under 30 though
Screen Resolution is 1920x1200
i7 2600k 4.40Ghz Overclocked
GTX 580 1.5g Superclocked
8 Gigs of DDR3 ram
Two Videos - Part 1 and 2
Due to editing issue, I had to make it two parts. But here you go.
http://www.youtube.com/watch?v=LRh_PucqUiE -Part 1
http://www.youtube.com/watch?v=w4nfgCQoKos -Part 2