Garmin launched one of the largest nuvi updates in recent memory on Monday in the radically redesigned nuvi 3700 series. The design is much thinner than usual GPS units at 0.35 inches deep and may be the only one to use a capacitive multi-touch screen. Navigators can double-tap or pinch to zoom as well as make two-finger gestures to switch between 2D and 3D or rotate the map.
