Best Buy has the TomTom One LE GPS System on sale for only $149.99 after a $100 instant discount. This popular navigation system has a 3.5" LCD display, preloaded maps of the US and Canada (with five million points of interest like restaurants, gas stations, ATMs, etc.), vocal turn-by-turn directions, 1GB memory, Bluetooth compatibility, and more. Best Buy currently has a whole selection of GPS units on sale here. Shipping and in-store pickup are both free, and taxes vary by location.