Newegg ships to Canada now?
Read the customer reviews at newegg, they have a high failure rate, as well you can google search and check online reviews.
You have a really nice system there so there is no need to cheap out on a PSU....most people underestimate the importance of a good PSU for performance and proper operation of your system. It powers everything! When a unit goes faulty it can damage other hardware components....
Heres some reading, check the red sentence at the top.