Garmin remains at the top of its game with constant innovation that is keeping the manufacturer solidly on top in sales and customer satisfaction for vehicle GPS units in the U.S. What we’re especially intrigued by is how the pace of innovation continues to accelerate and just how quickly yesterday’s luxury feature becomes today’s essential “must-have.” With prices remaining competitive, the number of features per dollar gives you, the consumer, the best value ever, and those features are fitting into more and more compact units. Garmin’s nuvi 1200, 1300 and 1400 series introduce the thinnest, most pocketable units yet as the new CityXplorer feature brings a wealth of new GPS features to the pedestrian, navigating an unfamilar city by foot or mass transit…