We've been following the onslaught of AirPlay / Bluetooth speaker systems in recent months, carefully combing through the prospects to find the true contenders. We were recently impressed by Klipsch's Gallery G-17 Air and now we've given the JBL OnBeat Xtreme a testdrive. This beast is step up from the regular ol' OnBeat dock, both in stature and cost. Priced a
