BuyDig via eBay offers the Garmin nüvi 2597LMT 5" Portable Bluetooth GPS Navigation System, model no. 010-01123-30, for $139.99 with free shipping. That's the lowest total price we could find by $24, although we saw it for $15 less during Black Friday. It features a 5" 480x272 touchscreen LCD, free lifetime map updates, free lifetime traffic updates, Bluetooth, and memory card slot.