Other World Computing offers the open-box OWC Mercury Elite Pro Dual Mini 2-Bay USB / eSATA / Firewire Enclosure, model no. MEQMH0GBK, for $59 with free shipping. That's $41 less than the lowest total price we could find for a comparable dual-bay enclosure sold elsewhere. It features FireWire 800, FireWire 400, eSATA, and USB connectivity, support for up to two 2.5" Serial ATA hard drives. A 1-year OWC warranty applies.