Magellan GPS has unveiled its new waterproof ToughCase for the iPhone 3G, 3GS, second-, and third-generation iPod touch. The ToughCase sports an integrated GPS, increasing the accuracy of the GPS chips found in the iPhone 3G and iPhone 3GS while providing GPS functionality to the second- and third-generation iPod touch. In addition, the ToughCase allows for full touch-through access to the devices’ screens, an integrated 1840 mAh rechargeable…
