A nutless monkey could do your upgrade.
We've all been around computers long enough to know that upgrading a graphics card is an easy job. Yes, opening up the computer case and swapping cards may look like open heart surgery to those unfamiliar with the procedure, which is why so "experts" who handle this sort of thing for non-savvy gamers can command such a high fee. But, to paraphrase Les Grossman, a nutless monkey could do the job.
The video above was a stunt by AMD to prove just how easy it really is (obviously in an effort to convince people to go out and upgrade to a new DirectX 11 Radeon card). Of course, it's not exactly monkey see, monkey do for the process, so here's a more helpful video for those seeking the true tutorial.