Immediately prior to the start of the 2011 CES, leading Apple speaker and alarm clock developer iHome unexpectedly debuted two new AirPlay wireless speakers, adding to the iTunes and iOS stereo receiver family started by the as-yet-unreleased $300 iW1. Continuing the iW1’s clean lines, the iW2 and iW3 sport black cloth front and side grilles with glossy plastic and metal accents, reducing the size of their physical enclosures to hold smaller…