I have a antec true blue 350 watt, with two hard drives, a dvdr,dvd player, 4 case fans, and a hungry CPU Fan (Thermaltake extreme volcano 12). My vid card is a 5900XT at the moment, I am uograding to a BFG 6800GT (got in line at chumbo
) IS this power supply two weak? Should I upgrade it to a 400-420?