Perhaps some home organizing stuff like big plastics boxes or cedar hangers or maybe some office supply stuff like cord bundlers or reusable envelopers.

FORBES: How to Fix Apps Marketplaces

There's a massive heat sink on the rear and it gets toasty from what we are assuming a large power supply judging from the PC style power cord.

ENGADGET: HD Review: NeoDigits X5000 Networkable DVD player

As for unsightly wires, the Audyssey Wireless Speakers have two: the unavoidable power cord (with a chunky power supply) as well as a thin black-and-red cable that connects the left and right channels. (You may want to replace this with more discreet, clear speaker wire if you can't hide it somehow.) Both make the speakers better suited to a permanent set-up than on-the-go listening.

WSJ: Big Sound, Wire-Free: Audyssey Bluetooth Speakers | Geek Chic