Filed under: GPS
Harman Kardon is still relatively new to the GPS game, but it looks to be increasing its presence in a fairly big way today, introducing three new units in its "Guide + Play" series. Those include the low-end GPS-310 model (a follow-up to the GPS-300), the slightly more capable GPS-510, and the top-end GPS-810. Each of those pack a 4-inch widescreen display (or 4.3-inches on the GPS-810), along with text-to-speech funct
