Hmm... I'm looking at the following.
AMD 64 San Diego 3800+ (or 3700, whichever comes in San Diego, I forget) retail
1GB DDR400 PC3200 (need recommendations for a good model + brand)
120-200GB SATA hard drive (whichever was the best deal, I forget, I found one)
GeForce 6600GT PCI-E
$80-99...