The Joy Factory's new aXtion Bold for iPad Air ($60) may look familiar to some readers, as its design very closely matches that of Hard Candy Cases' ShockDrop and Gumdrop Cases' Drop Tech Series. It uses a two-piece design, with a hard plastic frame equipped with a permanent screen protector, and a soft rubber body wrapping around to protect the tablet's back and sides. Button and port protection is almost identical to the earlier options, with flip-open…