buy this for ourselves for Christmas . take it on trip from Virginia to unfamiliar part of Florida in late dec\/early Jan. . the 3.5-in screen be plenty large for we . gp be easy to program and mount . only problem come when we mount it on a too cold windshield , and GPS fall off . remount it after windshield have warm up . have to reset gp by turn off , then back on , but it recover like a champ . well please with we nuvi 350 .