wow right thanks for the all the replies! I think I will go with two 4890s then still for now, there seems no reason for me to justify the extra price for the gtx275s given I might not even bother with folding, which seems to be their only benefit? I do find the manufacturer loyalties amusing though why are so many people biased towards one or the other? I have gone Nvidia, ATI, Nvidia and now probs back to ATI lol! Sniipe_dogg i want to see you sneaky cover for the bridge ? Is it worth going with this? http://www.ebuyer.com/product/169209# or should i just get http://www.ebuyer.com/product/167969 and add the extra clock speed myself?