Looking to get a GPS for my bike and wondering whether I should go for a Garmin 800 or 810. (I tried a forum search, but while I saw lots of "what GPS" posts, most of which recommended the 800/810, I couldn't find anything comparing the two.)
I definitely want the maps and turn-by-turn navigation, so that rules out the 500 series, but can't see why the 810 is so much more expensive than the 800? I know it has Bluetooth, but I assume there must be more to it than that to justify the quite significant increase in price?
I will be looking to get the Performance pack, so will be using it with HRM and cadence sensors, but I won't be using power sensors. It will be for road use only.
Any help much appreciated.