i recently built up an amithlon-dedicated pc, consisting of:
-Pent!um 3 / 500MHz
-192MB RAM
-4GB Seagate ATA
-x12x10x32 TEAC CD-RW
-MATROX G400 DualHead (as amithlon supports acceleration with this one)
-SoundBlaster PCI 128 (direct AHI support)
-RTL8139 LAN (direct pci support)
it runs great!!!