Originally Posted by
cafzali
The one thing need to know about the 500 is that you can't program a course into it and/or have it do turn-by-turn directions on the fly.
This is mostly true but you can pre-program a "course" into the 500 using a TCX file. You don't get true turn-by-turn, but it shows you when to turn and warns you when you go off course. Not perfect by any means, but it gets the job done. Here is a pretty good tutorial:
http://socialcyclists.org/road-forum...rmin-edge-500/