I haven't used a KT600 board before but I have a few socket A processors laying around so this looked like a great deal for less than $40 shipped:
CHAINTECH "SKT600" KT600 Chipset Motherboard for AMD Socket A CPU -RETAIL
Throw it in a Raidmax case w/420w PS for $48 shipped
CHAINTECH "SKT600" KT600 Chipset Motherboard for AMD Socket A CPU -RETAIL
Throw it in a Raidmax case w/420w PS for $48 shipped