Is that the 512mb 4850? You running it overclocked at all too?
It is a 512Mb model, and it didn`t overclock it (it wouldn`t go much above stock speed, it was the cheapest Palit model).
I have been having a bit of a nightmare with the new GTX460. It won`t behave itself when installed in my Gigabyte MA790X-UD3P. I`ve tried the new card in a couple of other PCs, and it runs fine. When I install in in my machine it locks up under load. I`m pretty sure my MB is the culprit, as I`ve eliminated every other component, and tried it on a fresh install of Win 7.
I am now going to find out how good Gigabyte`s after sales service is.
BTW. When the GTX460 is running, it performs very nicely.