Walmart offers the Garmin nüvi 750 4.3" Portable GPS Navigation System, model no. 010-00657-20, for $157. With 97 cents for shipping, that's $14 under our September mention and the lowest total price we've seen for a new, factory-sealed unit. Features include a 4.3" touchscreen LCD, preloaded City Navigator NT street maps with a large points of interest (POIs) database, FM transmitter, Secure Digital card slot, MP3/audio book playback, up to five hours of battery life, USB connectivity, and more.