My specs:

17" Spectre LCD flat panel
AMD Athlon XP 2100+
1GB DDR 2100 RAM
Asus A7V8X-X mobo with 6 channel audio and LAN
Multifunction panel with fan controllers and temp gauges
Sony DVD drive
Sony CD/RW drive
Floppy drive
Maxtor 80GB 8MB HDD
Skyhawk case with window and sky fan

Total cost $800.