For a decade or more, I was one of the biggest fanboys for the V1 and own 4-5 of them. I too grew tired of the increasing number of false signals and an update improved but didn't cure the situation. IMO the GPS-based technology in the Passport Max - which I purchased a year ago or more, makes them far superior to the V1's. When you get a false signal you can reach up and tell the unit not to alert at that location again. Or, automatically, if you pass by the same false 3 times, the unit will block that signal. However, if you ever pass by that location and DON'T get the signal, the unit will automatically un-block it. What this means is that when you drive around on your normal paths, the Max is getting quieter and quieter until the point you pretty much don't have any falses. Oh, but are you worried that a legitimate radar gun can get you if he/she parks near one of your stored block-outs? Nope. The unit would then see two signals rather than 1 and it will light up.
All in all.... the V1 was the absolute king for a decade or more, but there's a new sheriff in town.