Akitio’s pretty new alloy enclosure has a back full of inputs: eSATA, USB 3.0 and two FireWire 800 ports. There’s no way to jack in a Thunderbolt connection, though.
The SK-3501 Super-S3 is stackable and fanless, with a perforated front panel and heat sink providing cooling duty. The enclosure sells for $150, and you’ll still need your own 3.5″ drive to pop inside; luckily, storage guts are fairly inexpensive these days. .