Ecost.com has the refurbished Magellan Maestro 3100 GPS Navigation System (model no. RF980934-01) on sale this week for only $42.99, which is $57 off its previous list price of $99.99, and about $97 less than the next best price we have seen for this GPS system. Features include a 3.5-inch color touch screen display, integrated SiRF Star III GPS chips, and both a built-in battery and antenna for portability. Shipping rates start at $12.47 for this deal, and sales tax applies for residents of California, Texas, and Tennessee.

Upgrade to the 7-inch Magellan RoadMate 1700 Portable GPS Navigator complete with multi-destination routing, highway lane assist, spoken street names, and AAA TourBook. It’s on sale this week at Amazon.com and priced at $197.87. Next up we have the TomTom XL 350 4.3-inch GPS with new two-button EasyMenu, on sale this week for $129 and located at Buydig.com. Lastly, Beachcamera.com has the Garmin Zumo 550 Motorcycle Navigator priced at $549.99 today, and includes FREE ground delivery.