Bests & Worsts Reviews from Amazon

This product is not ready for general release. DO NOT BUY IT YET. I deeply regret my purchase of the 820. Here's the problem: the touchscreen is overly sensitive and a drop of sweat is registered as an input -- I've found when riding it will suddenly go into the settings menu, change screen settings, stop navigation or cancel recording a ride just because I sweated on the screen while riding! Worse, the 820 is utterly UNUSABLE in the rain because it registers every rain drop that hits it as an input. This means the screen freaks out, settings get changed (for some reason when hit with lots of drops, it automatically goes into settings -- and then randomly resets portions of the 820. And because each drop is a new input, you can't regain control of this with your finger swipes, because the screen thinks it's getting multiple inputs at once. This hit me hard on a bike ride vacation in Japan (where I can't speak the language) as I was more than 70 miles into a ride, night had fallen and it started raining. The navigation stopped, couldn't be restarted (because of the rain "input") and the device was essentially worthless. Just when I needed my Garmin 820 to work, it failed completely. It took me hours to get the route back sorted out. I sent Garmin a sharply worded complaint and asked when there would be an update to fix these problems. Garmin support hasn't responded even though it's been over a week. And my experience is not alone -- on Garmin and cycling forums there are hundreds of complaints about this. As a longtime Garmin customer, I'm used to the company not getting software right on the first try. But overall I trusted Garmin a lot. I don't trust them any longer because the 820 simply should not have been released without more testing. The idea that they never even tried it in the rain is shocking to me. It's not even close to ready for prime time because the screen (which is different than the old 810 screen) is completely unreliable. I wish it worked right because as long as you don't sweat on it or it doesn't rain, I like the 820 a lot. The new software is pretty straightforward and I enjoy some of the new stats it compiles. However, under no circumstances should anyone buy this device now because the screen issues make it worse than useless -- it's downright hazardous and can leave you stranded when you're counting on it. I'm shocked at Garmin's silence on this as well -- extremely disappointing from a company I used to believe in. If they get the screen sorted out, I could easily recommend it. But until that happens, I warn anyone against this device: nearly all early adopters have been burned by Garmin because it released a product without any visible testing. Or at least testing in the real world where the screen might get splashed. Horrible experience with 820....