As part of my annual delusion that I will eventually manage to spend more time on my bike and less time getting fat, drunk and stupid, I am thinking of getting myself a decent bike computer. By "decent" I mean one that will stop me getting lost. I have a Garmin 200 Edge, but it doesn't have live mapping to show you where you are, how far you are from home, and whether there are any emergency bail out points anywhere beyond this ****ing hill. As I have the sense of direction of a blind marble, this needs fixing.
Clearly, upgrading to the Edge 800 would do the trick, but at £500+ it is a bit pricy (a bit???). Also, I know that my iPhone can do the trick, but being my iPhone, if I ask it to do something complicated it will comply smartly, quickly and efficiently - for about 2 hours, whereupon it will huddle up into a small, power-free ball, and whimper "no more".
So I was wondering if there is a relatively cheap option which would give me the mapping and other basics, but not require me to sell a kidney and / or a G-pack (sorry - been watching too much Wire).
Any suggestions gratefully received.