directx11

I have an EAH5750 Formula 1GB DDR5 Graphics card which is directx11 ready... I recently purchased Stalker: Call of pripyat which i came to know has directx11 support....but in the games i can only see the option of directx10 and not 11...plz help me out..im running win7 shouldn't the direct...

Am currently running windows 7 and everytime i start mpc it gives me this pop up that say d3dx9.dll missing. I know it has to do with direct x but that's where questions starts arising in my head. I wanted to know if downloading the latest DirectX update i.e. August 2009 and installing it on my...