Shown behind closed doors at CES in January, iHome's new iP76 ($200) has the potential -- if properly marketed -- to be a blockbuster new audio system for iOS users. Shaped like a three-foot-tall tower, iP76 features four speaker drivers and 16 clusters of LED lights, enabling it to change colors either independently or in sync with the music it's playing; it can also be used as a dimmable lamp, and kept in a single solid color that you prefer. Becauseā¦