Although Smart Cover-compatible cases are quite common, we've never seen any quite like Sena Cases' new iPad (3rd-Gen) model, LeatherSkin ($70). Instead of a shell like most of the others out there, this one is a leather playthrough case. The iPad slides in through the top, with a snap-laden flap holding it in place while leaving access to the headphone port, rear camera, and Sleep/Wake button. There are also openings for the side switch and volume…
