I've decided to upgrade to two GTX260 running in sli and i'm currently using an antec neohe 550 watt to power my system and that would obviously be not enough. I've been looking around and haven't seen much 850 watt PSUs although there seems to be plenty of 1Kw PSUs around but i think that would be overkill but it might be a good investment for the future. I've looked at the enermax galazy DXX 850 watt but thats a bit old but seems to have good reviews also theres the thermaltake TP850 watt other than that i'm short on choices. I was wondering if anyone had any suggestions? Thanks in advance.