update: So i just got back from Canada Computers with the new power supply, and upon speaking with the staff there, they don't think it is a power supply issue, and more likely to be the Mobo. To make matters more irritating, Canada Computers has now got a final sale policy, meaning, if/when I open this power supply, I cannot return it for a refund. This adds a layer of difficulty to my situation, as now instead of just trying a new power supply, I have to try my old mobo with new cpu to see if it still shuts off....... grrrrr