GPS devices are some of the most useful roadgoing gadgets today. Some people may prefer a good ‘ol atlas and the computer between their ears. But lets be honest, do you really want to go flipping through pages of an atlas and be Mr. Navigator or would you rather pick the start and end points, press go, and enjoy the scenery on your commute? I know I would. Likewise, the sometimes complex road changes and exchanges one faces in densely populated areas and those...