I ask because the last computer I bought from that site in 2009 had a motherboard that was too small to take my Radeon HD 4850 graphics card. The computer wasn't designed for gaming specifically, but oddly it had a pretty good amount of RAM and a seemingly fast processor, and my games ran well on it (albeit on a smaller, weaker graphics card with lower settings).
Here are the computers I've been considering for purchase:
The computer in the last link I provided is the only one of the bunch that's specifically designed for gaming, but the price tag is rather high for my budget, and I'm definitely more interested in the first three because they're much cheaper. I just don't want to fall into the same situation as before, where I had a great graphics card that wouldn't fit in the computer because of its small motherboard.
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