Garmin has introduced its "Rugged Navigation" nüvi 500 Series of Portable Navigation Devices, equally at home directing you whether you're walking, cycling, scootering, driving, or boating, thanks to NavTeq's mapping data and the ability to accept different types of mapping including TOPO for outdoor navigation and Blue Chart cartography for marine usage. The nüvi 500 Series devices are fully waterproof, can be easily fitted to a scooter or bicycle, and are made from UVA/UVB and fuel resistant materials. It features a 3.5-inch colour touchscreen, and removable, rechargeable battery...