I heard some of you talking about some d3d fix and dx9dll. What is this and will it help me? I'm running Geforce 9600 GSO with most recent drivers.

Here's the http://www.newvegasnexus.com/downloads/file.php?id=34778

It works for my GT320, I get no lag what so ever, so it should work for you (not 100% certain)

Holy (expletive deleted)! It works, the Strip no longer lags anymore, I am at least getting 60FPS. I can finally crank up the graphics more. Is there one of these for Fallout 3 or Oblivion?

http://i1022.photobucket.com/albums/af345/chrisplosion/ScreenShot3.jpg