My system just shuts off in the middle of a game or benchmark. I does run reliable without overclocking. Does this sound more like a lack of power issue w/ my Antec 430Watt PS or just to high of OC or too low of Voltage. ideas and edjucated opinions please. 
Asus P5B-E w/ E6300
Raptors 36gb x2 Raid 1
Dual Optical Drivers
4 ThermalTake 80mm/92mm Tornado CPU
7800GT EVGA
Antec 430Watt True Power, newer model
Have CPU (1.86ghz) @ 3ghz. 1.385v in BIOS 1.328v in CPUZ
430 Bus
Corsair 444/12 @ 2.1v
GPU overclocked lightly
Asus P5B-E w/ E6300
Raptors 36gb x2 Raid 1
Dual Optical Drivers
4 ThermalTake 80mm/92mm Tornado CPU
7800GT EVGA
Antec 430Watt True Power, newer model
Have CPU (1.86ghz) @ 3ghz. 1.385v in BIOS 1.328v in CPUZ
430 Bus
Corsair 444/12 @ 2.1v
GPU overclocked lightly