Originally Posted by
Psimet2001
I like to tell customers to get the 800 if your riding around a lot and going to new places often or not sticking to known routes. The 500 if you race or always run the same routes, or are just looking for a head unit for power.
Excellent advice. I recently "downgraded" from the 705 to a 500 because I did not need the mapping capability of the 705. Took me a couple rides to get used to the slightly decreased screen size, but me and the 500 and already fast friends.