The last ditch effort is to say the service dept sucks, and the old water issue. I like Beagle have had no water, and service has been fine as expected. You don't really see anyone comparing the performance of the units, or clarity of the images, which should tell prospective buyers of either unit that they are similar.
I have 2 HDS 5's and one LSS-1 unit. Not the biggest screen, but there's a reason why I did this. I have the LSS-1 transducer on the back of the boat and spend a lot of time looking at scans on the console, but If I'm up on the trolling motor and want to split screen and watch the down scan or side scan I can as it's built into the network capability. This is a great feature. As far as I'm aware, even with ethernet an 2 HB units can't share DI/SI views between them. So you have to make the full investment of 2 high end HB units. Guess what, that will cost you more money then doing it the Low way that I did.
Also with HDS and LSS-1 if you lose one or the other transducers you are not dead in the water. You'll either have 2d or the downs scan/side scan.
Both brands have similar features and performance. As always check your wallet, know what you want, see the units if possible, purchase, and don't look back.

