Best Buy has the TomTom One LE GPS System on sale for only $139.99 after a $110 instant discount. This popular navigation system has a 3.5" LCD display, preloaded maps of the US and Canada (with 5 million points of interest like restaurants, gas stations, ATMs, etc.), vocal turn-by-turn directions, 1GB memory, Bluetooth compatibility, and more. This is one of the lowest prices I've seen on this system. Best Buy currently has a whole selection of GPS units on sale here. Shipping adds $6.99, in-store pickup is free, and taxes vary by location.