DrivenGPS via eBay offers the factory-refurbished TomTom GO 60S 6" Portable 3D GPS Navigation System
, model no. 1FC6.019.00, for $69
with free shipping
. That's $31 less than what you'd pay for a new unit. It features a 6" 908x480 touchscreen, free lifetime map and traffic updates, preloaded maps of the U.S. and Canada, and lane guidance. A 6-month TomTom warranty applies.