This is gonna be fun and its also why anybody who knows me will never let me design a computer with "unlimited" funds!
Mobo: TYAN S2915WA2NRF (1X) - 450$
Mem: CORSAIR 2GB DDR2-666 ECC Registered (8X) - 1440$
CPU: AMD Opteron 8220 (2X) - 3020$
Vid card: Leadtek PX8800 Ultra Leviathan (4X) - 3600$
PSU: ENERMAX Galaxy EGX1000EWL 1K watt (2X) - 660$
SCSI controller PCI-X: LSI LOGIC LSI21320R-KIT-F PCI-X (1X) - 260$
Soundcard PCI: Creative Sound Blaster X-Fi Elite 7.1 (1X) - 260$
Optical drive: Sony BWU-100A (2X) - 1400$
SATA: HITACHI Ultrastar A7K1000 1TB (6X) - 2400$
SCSI: Seagate Cheetah ST3146854LW 147GB 15k RPM (11X) - 12100$
Case: LIAN LI PC-V2100BPlus (1X) - 350$
Case Accessories: Metal 3.5" to 5.25" Bracket (5X) - 45$
Case modding tools:
Dremel - 85$
Epoxy - 10$
Soldering torch - 20$
Solder - 5$
Dykes - 2$
Grand total: 26107$
I could also be a [censored] and throw in the externals... but since I am REALLY picky about those I wont go into. Lets just say I would want the best 17ich CRT money could buy with a standard corded PS/2 keyboard, and a really nice optical corded mouse. Speakers would be 2.0 but custom designed!
You are probably regreting asking that question now XD!