Buy.com offers this Memorex Party Cube Sound System for iPod and iPhone for $44.99, with free shipping. This is the lowest price we could find by over $30. This sounds system works with dockable iPods and the iPhone, and it provides 4-6 hours of play with its rechargeable lithium-ion battery. It also has an AM/FM radio, a line-in for other devices and it will recharge your iPod/iPhone as well. Only CA, MA, MD, NY, and TN charge sales tax.