The pool of choices for WiMAX hotspots continues to expand, and thanks to the FCC, we now know of another up-and-comer. The Rover Puck -- trademarked by Clearwire and previously unheard of -- joins the ranks Sprint's Overdrive and its various rebrandings by providing pocketable 4G WiFi service. Unlike its predecessors, however, we finally have a new, more aerody
