I am in Vancouver!
Looking to buy a ~500W PSU. Needs to run the following: (i'm not sure how much Wattage this will take, but my current one at 550W runs it. Need a new one because i believe it's crapping out on the GPU)
7900GS (XFX) Cooled with Accelero S1
2x DVD RW
2x Case Fans
Pentium D 3.0GHZ CPU