Edit: The machine is a Dell Dimension 8200. I have tried finding cheap RAM from reputable vendors, but it is simply too expensive to warrant buying in my opinion. Last time I checked, I believe it was more than $100 for 500MB of RAM. Aside from that, my financial situation isn't very good at all. I can't afford to spend $22 at the moment, or in the foreseeable future, let alone $100.