Walmart offers the Garmin nüvi 750 4.3" Portable GPS Navigation System
, model no. 010-00657-20, for $169
. Shipping adds $2.97
or choose free Site-to-Store. Even with shipping, it's the lowest total price we could find by $27. Sales tax is added where applicable. 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.