The story with iDM15 is fairly classic iHome, offering thoughtful design and good value for the dollar, plus respectable rather than mindblowing audio quality. For the price, you get two silver battery-powered speakers, as well as a hard plastic carrying box that converts into an iPad/iPad 2 stand. Volumetrically, the compacted-down speakers and box occupy approximately 50% more space as the BTS200, but when they’re expanded out with the…