User Cbluzzyfuzzmorphywizz writes in pointing us to this website with info/speculation on the new device
http://www.mac-tv.de (in German, English translation here)
And tells us, "It says, the new device will be like a stand-alone CD-writer, but will look like a Hifi-component. It has a hard disk, an airport card and a USB port. Via Airport it communicates with all macs in, say, a house...