Looking a lot like SeeThru for iPhone 4, Speck's GemShell for iPhone 5 ($30) is a welcome release for users seeking solid transparent protection. While there is some rubber, the body is mostly clear, hard plastic -- it's very reflective material. The rubber comes into play at the corners, over the buttons, and around the screen, where it forms a protective lip. As with most of the company's lineup, there are openings for the ports on the bottom, in…