Although it looks like any of the dozens of plastic shells we've received over the past few years, The R* Case ($26) from Touchns is actually a bit different than the others. It snaps on the back of your third-generation iPad the same way, and does a fair job of covering the scratchable aluminum while allowing for easy access to the ports and buttons. The thing that stands out is the pair of rubber rails running vertically down the back. They allow…
