I just used this kit to build a computer for my church. This could make a good editing machine. It's not the best or fastest, onboard video is fine for editing or watching dvds but slow for gaming. try these parts from tigerdirect.
Soyo barebones kit - $20
Amd 2800xp - $115
2 sticks - Ultra 512MB PC3200 ram - $140
Western Digital 200GB hd - $90
Pioneer 8x dvd burner - $110
Windows xp home edition, oem - $100
$575, not bad for a box with room to grow. 8)
