You can get a solid PC for cheap if you order the parts online and build it yourself. Many websites offer help to get you started shopping for parts (<a href="http://www.reddit.com/r/buildapc/">http://www.reddit.com/r/buildapc/</a> comes to mind - read the articles listed on the right)
Although I have no idea what stores ship to your location
LewToons
i've thought about getting a desktop & just devoting it to graphics stuff as well - - hope you get some good answers to this
Pegosho
That's exactly what I'm doing man, my desktop will be solely for graphic stuff, that way I'll avoid slowdowns produced by viruses, adwares, trojans etc. I'll even give it a good night kiss, just in case. :3