Ultimate PC - ballpark #'s
P4 3.2 EE $1000 (assume 4Ghz+ OC)
Vapochill case $670
Abit IC7 Max 3 $210
9800XT (maybe 5950) $460
1Gb XMS4000 Pro $360
2 x 36 Raptors SATA $220
WD 8Mb 120GB $100
Lite On DVD+RW $110
Lite on 52x24x52 $45
Audigy 2 PCI $85
Windows XP Home $95
TOTAL approx. $3400
or $2700 with a 3.0C instead
Most people already have KB, Mouse & speakers.
FX systems are still a little rough around the edges.... (for me)
Really, not too bad considering what some high end systems are selling for at Alienware, Falconwest, OCSystems, etc... for a 4Ghz phase cooled system.
Now, I just need to get some rich bastard to let me build them their ultimate gaming machine. That would be fun.