This one is yet another useful gadget from the folks over at Thinkgeek. The Dual External USB SATA Drive Dock allows you to dock two SATA hard drives, either 2.5″ or 3.5″ HDD’s with your PC or MAC, via USB or eSATA.
Some specs: Connects to one or two 2.5″ or 3.5″ internal SATA hard drives, USB or eSATA connectivity, Plug and Play, Transfer rates up to 480Mbps with USB 2.0, Transfer rates up to 3Gb/s with eSATA. The device is available for $79.99.
[Think Geek] VIA [Geeky Gadgets]