Hard drive diskettes

PCI SATA cards - $30
2 eSATA ports just in case...

plus the trayless enclosure - $30
KingWin KF-1000-BK - $18
StarTech HSB100SATBK - $30

eSATA to SATA cable - $5 1 2
Get From Fry's

plus small power supply - $12
and a fan (hopefully temp controlled... we'll see...)

Fan - From Fry's Fry's NewEgg

SATA power adapter - $3 (come with HDDs)

i'll probably make the box myself. probably do some fine carpentry for kicks - $50

Future

Raid 30 or 03, rack mount system with 14? drives, SATA, FibreChannel over Ethernet