The TomTom One Third Edition is a good GPS in the less expensive category.  There are many options for route diviations, map viewing, finding points of interest, etc.  There are many extras that you can buy from TomTom but if you keep it basic and do the updates that come from TomTom you get where you need to go.  I have noticed however, that when I do the updates the GPS gets slower to turn on and start running.  Once running through the route though it is not slow and is pretty accurate.  I have only found a couple of errors in directions and you can update those on your GPS and when you...