Out of all the iPhone 5 cases we've seen so far from Griffin, Survivor ($50) is by far the most redesigned from its predecessor. Although it may not look all that different at first glance, there are some real changes in the new design. The unit snaps apart into three primary pieces -- a plastic tray, a rubber frame, and a plastic-bordered screen protector, plus a separate detachable belt clip. An iPhone 5 snaps into the tray, the rubber wraps around…
