They sound good and they are very pretty. Hard to resist.
I could see him being lured in at the store but you say he then went out bought off eBay. I think I would have come over to listen to yours first if I were going with another online option. Perhaps that dealer also was anti Axiom or he just got the fever. Can't criticize him, it happens to all of us.
I have been to the place twice - I think their bread and butter involves installations using paradigms. The sales guy is very understated and I am positive he would not bad mouth any competition. He is knowledgeable and if there were differences, he would point them out and leave you to decide. Que Sera.