Mi2290 is a simple, attractive little unit with a folding speaker half and a clock-laden dock half. The entire body of the black version is black, while the white one has a partially silver underbelly that folds up to parallel the silver backs of some iPod models, a cute touch. Both come with surprisingly nice little neoprene carrying sleeves, black for the black speaker and gray for the white one, as well as a color-matched power supply. But that’s…