Along with the launch of the iPhone 5 comes iSkin's latest iteration of Aura ($40), and though we normally pass on shell-style cases, this one is more distinctive than most of the generic designs we've seen. Not only is it slightly thicker, but the back is covered with two textures of metal: one is brushed while the other has a mirrored finish. Volume button protection is built-in, but the top and bottom edges are fully open. iSkin claims that theā¦