If you have to buy something premade, buy it off amazon.com, ship it to point roberts, and pick it up.
Or buy it from NCIX. You still get warranty (i think) and it won't be a bunch of generic shit
NCIX.com - Buy Consumer Desktops In Canada.
Or get one made from memoryexpress.
Just pick the computer you want, and get them to add a video card. Done, its faster and looks cooler and has no extra software that all those POS manufacturers install, and has warranty.
Or you could buy a FS computer, but the only thing is their power supplies usually barely meet the computers requirements, so if you add a good video card its likely to draw a lot of power and cause instability in your PC, so you gotta get a new power supply too. If you do go for a futureshop computer, budget $150-$200 for a videocard and decent PS