A bit more advanced than the Nuvi 855 is the Garmin Nuvi 885T system; a GPS device that offers everything the Nuvi 855 has to offer in addition to Bluetooth wireless hands free calling features. For just 100 dollars more, the Garmin Nuvi GPS user can get the best of all potential GPS features and walk away with a super enhanced, practical, and sensational GPS device. This super slender GPS device is housed with an FM traffic receiver, full speech recognition capabilities, vocal command features, preloaded maps of the US and Canada, an MP3 player and features ...