Re: GTX 285 and PCI-E 8x....
Keep the Physx card. There is barely a hit when dropping to 8x pci-e 2.0 and even 1x is not "that" bad. Check out the tests done on a 5870
i7 firstname.lastname@example.org|asus p6t7ws|6gb ocz|gtx580oc sli|x-fi fatality|x25m+12tb|enermax 1kw|dell u3011 & 2405fpw