Amazon.com takes $90 off the price of this Magellan RoadMate 3030 4.7" GPS, dropping it to $99.99 with free shipping. This beats the next-best price we could find by $50 . With a bigger screen you can see the map and directions more clearly. It comes with a windshield mount and a car power adapter, and it features 6 million points of interest for easier searching for the places you want to go. Sales tax is only charged in KS, KY, ND, NY, and WA.