Marware has announced a new case for the iPod nano 4G, the Sport Grip Extreme. The Extreme is a silicone cover that protects the new Nano, while allowing full access to all of the iPod's controls. The case features a two-tone color design, which is available in three different patterns: red/black, pink/white and white/grey. Each case also comes with a clear film protector and a microfiber cleaning
