In a perfect world you could find one site that has every part you want, at the lowest prices, with the cheapest shipping rates. The Wal-mart of the computer world But things don't work that way - so you either buy everything from one place where one part is a steal and the next a rip-off, or where everything is in the middle. I've heard good things about newegg.com (great service, decent prices) but I've used Pricewatch and eBay to find better deals on most components. Sadly, the only parts I've ordered from newegg have been a couple of hard drive coolers