Garmin's New Nuvi 500 GPS Does Driving, Walking, Boating Nav in One Unit

Garmin has just announced a new member of the Nuvi GPS range, the 500 series. In a first for Nuvi, the rugged, waterproof 500 units are specifically designed to be multipurpose, with maps for driving, walking, cycling and boating built in. For out-doorsy types, there's a shaded digital elevation map option, and a… » 7/22/08 8:30am 7/22/08 8:30am