I didn't have time to read all the posts but I offer this to you. I have been selling and installing high end for 25 years and I was a Wilson dealer once. I have noticed that when people are exposed to true magic they all agree on what sounds incredible. What happens most often is either people have different things they are willing to compromise on when they can't have the best OR more often they have never heard magic, only expensive stuff they should like and don't trust what they are hearing. When you live with magic, the system makes your ears a lot better than before and you know you have magic when you become hyper critical and you still love the system that you thought was incredible.
With all that said, I have never heard any Wilson including the WAMM's sound incredible. Big, powerful, tall, yes but never incredible. Like so many in our industry, Dave Wilson has enough knowledge and experience to design a great product but does not have that 6th sense to design beyond understanding like a hand full of true artists that exist.
Just my humble opinion.