Garmin announced a new GPS in their cycling lineup, the Garmin Edge 500. In comparison with other recent GPS devices in the Edge line, people should take notice of what was left out of the new Edge 500 rather than what was added– and I mean that in a good way. The new Edge 500 is much lighter than other Edge models, coming it a mere two ounces. The blue / white unit is pitched as the best of both worlds and tracks all...