My list:
http://secure.newegg.com/Oldversion...w.asp?position=HISTORY&submit=VIEW&ID=1552344
Intel LGA 775 Pentium 4 520 2.8 GHz, 800MHz FSB, 1MB L2 Cache
Rosewill Dual Channel Kit 184-Pin 1GB(512MB x 2) DDR PC-3200
ABIT "AG8" i915P
Sapphire ATI RADEON X300 SE
Western Digital 250GB 7200RPM SATA
NEC Black 16X DVD+/-R DVD Burner
Thermaltake VA4000 Series SViking case w/ adjustable 120mm cooling
Zalman CNPS7000B-AlCu LED
CoolMax 400W 120mm Silent PSU
Total = $745
It will not only be fast and have more than enough storage capacity for video editing, but it also has wiggle room if there's a need to add new peripherals, a legitimate OS, or even a new TV capture card if required. Or you could just upgrade one or two things.