BestBuy.com lowers the price of this Garmin Nuvi 255W GPS from $169.99 to $79.99 with free shipping. This ties our post from last week. Compare this with $119 at Amazon.com, the next-best price we could find. This GPS has a 4.4-star rating from over 600 reviews. It features a 4.3" touch screen pre-loaded with maps of the US and Canada. It automatically re-routes you should you miss a turn or make an unplanned stop. Sales tax is charged in most states.