So I finally pulled the trigger and got the Garmin 1030. Its awesome, very pleased. My issue is what to do with my old 520. Works perfect but I am not sure what I want to do with it. Should I keep it as a back up that I will probably NEVER use or should I just sell it and get what I can get out of it? My wife the accountant says sell it of course and I get that but I fear I would regret it. I do have my watch that can record rides if I were to ever get in a pinch but can't connect power and such to the watch.

so what have you all done with your head units when you upgraded? AND would have you done something different next time?
thanks...