Agent18 has announced the latest additions to its line of iPhone 3G and iPhone 3G S cases, the SlimShield, ShockShield, Mix Tape, and Cloud Case, as well as a re-designed FlowerVest and the return of the Slider model. SlimShield is a hard plastic case that covers only the back of the device, with a ten-layer hard-coat spray and chrome accents. The package also includes a protective film for the di
