I have been trying to build a computer with leftover parts. I can't find anything new enough to run my games though. I think I may have to stop being so cheap and buy some new equipment. Bill | http://pcsdesign.ca/Products
Build a Super Cheap Gaming PC with Old Server Parts
You can build a pretty decent computer with a small budget. But if you really want to cut costs, the folks at Linus Tech Tips scrounged together a used server motherboard, two tandem quad-core CPUs, and 16GB of RAM for under $150.