I was skeptical about the LSM performance reading the original posts and upman's videos make me less skeptical but in the wrong direction if you think this scanner will fix your LSM issues.
First of all, to say you've seen Motorola radios struggle with LSM and use it as an excuse is just plain reckless. Either that system you saw was not designed for the radio you used or that system has problems...problems to the tune of they better get their money back. Subscriber radios simply do not have LSM issues that affect performance to any degree worth writing about.
Further, just because a radio is software defined, don't expect perfect, or even better LSM performance. RTL SDR dongles don't get me any better performance. It's the quality of the receiver.
Seeing his videos lead me to believe the radio will not be to the quality of a Motorola radio for LSM for a few reasons. The first two clips I saw were a mere few seconds in length. I've gotten scanners to sound acceptable for just a few seconds before. Additionally, none of the videos I viewed had scanners in motion. Literally everybody that struggles with LSM knows that there are sweet spots around the house. Having two radios next to each other proves nothing either because I've experienced 100% decode at one coordinate and 0% just one inch left or right.
It doesn't take a scientist to come up with these hypotheses, but my bachelors of science degree helped. I wish Uniden nothing but the best but I seriously doubt this will replace my APX6000xe. Oh, still doing those silly paid upgrades for DMR and intentionally not including GPS? Yeah, definitely not for me. I will still preorder one, though, for the Youtube views but I'll definitely resell it before the price drops significantly when the market realizes its true value.