BuyDig via eBay offers the refurbished Garmin nüvi 2597LMT 5" Bluetooth GPS Navigation System with Lifetime Maps, model no. 010-01123-30, for $109.99 with free shipping. That's $30 under our June mention of a new model and the lowest total price we've seen. (It's a current low for a refurb by $27.) The GPS features a 5" 480x272 touchscreen LCD, free lifetime map updates, voice navigation, lane assist, maps of the US, microSD card slot, and USB.
A 1-year warranty applies, but it's unclear who backs it.