The Poolpod from Audiounlimited is a $100 iPod dock with built in speakers. The device is waterproof, pool ready and floats. It comes complete with a floating speaker and a wireless transmitter dock which has a range of 150 feet. The dock also features RCA and 3.5 mm inputs, so you can hook it up to your stereo or Zune.

[Audio unlimited via Gearlog]