BuyDig offers the XtremeMac Portable Stereo Speaker with Dock for iPod, iPhone, and iPad, model no. IPU-SAS-11, for $59. Coupon code "TODAY30" cuts it to $29. With free shipping, that's the lowest total price we could find by $49. It features compatibility with iPad 2, iPod Nano 6G, iPod Touch 4G, iPhone 3GS, and more, plus ability to run on AC or battery power.