Not quite a case and not exactly a typical stand, TabGrip ($50) is a cross-shaped plastic and rubber accessory designed to enhance the original 2010 iPad in several ways. After installing it edge by edge on all four of the iPad's sides using tension provided by the rubber cross and plastic sides, you'll find four handgrips that can be used to provide more support when holding the device in landscape or portrait orientations, as well as four flip-out…