Thanks mope54. I think I may be looking to RMA my card then. Seems such a shame as I had a 8800GTX die on me and this GTX 260 SSC was a replacement. I noticed the problem within a day or two of getting the card - so it's so frustrating to get something new and have to return it, doh.
Strange...
Hi mope54, can you confirm that RMA'ing the old card and getting a new one resolved your issue? I'm getting the exact same issue as yourself.
My old 8800GTX died whilst playing DoW2. As it was out of warranty I ended up buying a new card (an eVGA GTX 260 (216) SSC) and this new card is having...