Despite their bowling ball looks, Elipson's Planet speakers are smarter than your average pair of cans. Developed in partnership with Parrot, they have built-in Bluetooth 2.0 and can automatically detect and pair with one another when switched on. They have digital and analog connections and support A2DP Bluetooth devices, so they can stream wirelessly from your computer or even your mobile. I've always been skeptical about wireless speakers, but for $1,316 I'd hope these sound as good as they look.
Finally, Wireless Speakers for the Enthusiast [TrustedReviews]