I just bought a 1600 that didn't work right as bad as it is. i sent it in and got another one in the mail with in a week. But here's good part it didn't work any better than the first one. so i call up and told the lady what was going on. she said she would have ups come by and get it. So i'm thinking that is it and i'll be getting another one soon. Well that was yesterday this evening i get a call from a very nice guy that works for leica. His name is Hamilton he was very interested in what was going on with these units. We talked and i told him what was happening and that this has happened to some of y'all on this sight. He wants me to send him a email with both units SS# so he can try them him self. so I'm going to send him a email with my story and I'm going to add link to all of the post about them not working right on here as well. He said that he was going to send my email to the guys that make them. We also talked about the other features that are on the 1600 and i told him that the ballistics and the barometric pressure was not worth having IMO. he said that there wasn't no room left to add any thing else to it. he also told me that they are making a aluminam case so you can mount it to a tripod. . He seamed like he really cared. he was a very nice guy and calling me personally that makes a big differance to me when a company does stuff like that. So we will see how it goes from here. But i feel a lot better about it now i think this guy is going to do what he can. I'll keep y'all up dated.