FWIW, I gave up on my 800 when the bottom right quadrant of the touchscreen became inoperable. I thought about opening it up to see if a solder joint had popped, but instead decided to replace it with a new unit. Despite my wishes to the contrary, I've decided bike GPSs are more like a tablet than one of the old mechanical IBM keyboards, so I figure I'll be lucky to get more than 5 years' use out of the GPS. The replacement is an Edge Explore 2. Though it's about half the cost of the flagship 1040, I figure it has everything I need and will probably last just as long as the more expensive model.