In addition to some great Black Friday deals on games this week, several other application developers are also offering discounts over the holiday season. Garmin will be selling its StreetPilot Onboard navigation apps at 50% off on Black Friday only, allowing you to pick up Garmin U.S.A. for $25 or Garmin N. America for $30. In addition, the Navigon line of navigation applications is on sale until November 30th at $30 for Navigon USA and Navigon Canada…
