NewerTech miniStack FireWire/USB2 Storage Solution with Integrate FW/USB at OtherWorldComputing.com
In addition to the drive it comes with an integrated firewire/usb hub, a decent heat sink, and temperature dependent fan. It connects to the Mac (or PC) via Firewire or USB 2.0. Costs $100.
This is very interesting! I'd love to know how loud it is.