OWC Mercury
Elite Pro Dual mini
Firewire Bus-Powered, Multi-Interface RAID Storage Enclosurehttp://eshop.macsales.com/item/OWC/MEQMH0GBK/Features
Oxford 946 Chipset
Hardware RAID Modes: 0, 1, SPAN or Independent Mode
System status LEDs
Near silent fanless operation
Heat dissipating anodized aluminum enclosure
Ultra-protective Shock Isolation System
Bus Powered Design through FireWire ports
Note: eSATA connection requires FireWire bus power or external power supply and USB port requires external power supply
[youtube]http://www.youtube.com/watch?v=cdITMyCW-K8#t=222[/youtube]
2 x 2.5" sata drives, in portable raid config
connect via esata/fw400 or fw800/usb2.0 or usb3.0
mentioned by jerry earlier in time in this thread:
http://macos9lives.com/smforum/index.php?topic=16.msg51#msg51jerry has told me they sell drives for 66$ each for 1tb 2.5" drive
enclosure cost 75$
prety affordable... pretty awesome;)