I have a AMD 3800+ Manchester dual core (running 1.3 volts) on a MSI 7185 N Force 4 board Rev A3/Bios 6. -1GB Corsair DDR400 value ram at 3.0 cas latency timing 4 4 8 command rate 2T. Zalmen Artic cooler Antic case with added 120mm fans top and bottom and x1800xt with stock cooler. PSU 450 Antic true power. Any headroom here for a overclock? If so what should I look for? Thanks. :?: