Ok.. I have one PC (AMD athlon 2000) and one mac (ibook 700). I don't need portability, so I am selling the ibook (http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=4602&item=3411784484 ). With the money I'm getting from the ibook sale (probably > 800), I want to make a 1U (like Xserve) PC. Then I can sell my original PC, and save up for a 970. I have a budget of about $500. I plan on using this case: http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=11209&item=3412079043 -$60 For the power supply, I'm not sure. The silencer 1u from pcpowerandcooling looks nice but is a bit expensive. ~$50 Here are a few questions: I want to get PC100 / PC133 RAM, and a pentium 4 processor. I don't need the system to be that fast. Would the 533 Mhz FSB add any speed over the 400 FSB with the slow RAM? Motherboard: ~$50 Hard drive: ~$90 Already have Geforce 3 ti 512MB or 1024MB PC133 RAM: ~$45-90 CD-RW: ~$25 That puts me at about $365 without the processor or cooling fan.