The refurbished Garmin nuvi 660 Navigation System with Bluetooth (model no. 010-00540-00) is on sale this week at Ecost.com for only $91.99, which is an impressive $308 off its previous $399.99 list price, and about $98 less than the next best price we could find for this GPS system. Features include a 4.3-inch widescreen touch-display, hands-free calling capabilities, built-in traffic alerts, and a FREE sandbag car mount. Shipping rates for this deal start at $12.47 and sales tax applies for residents of California, Texas, and Tennessee.

For close to the same price Tigerdirect.com is offering the refurbished Garmin nuvi 265T GPS Navigator, complete with 3.5-inch display, Bluetooth support, and Text-to-Speech technology. The Garmin 265T is now priced at $89.99 and has shipping rates starting at $4.79. Head to Buydig.com for the TomTom XL 350M 4.3-inch GPS with Lifetime Map Updates, which has dropped in price to $149 and includes FREE shipping. Save $130.99 on the Magellan RoadMate 1470 Text-To-Speech Portable Navigation System, now on sale for $119 and located at 6ave.com.