The Edison is/was on my short list. I want open layout, no lounger. My current tub has a lounge and we never use it. I'm a good sized guy.. 6' 240-250lbs depending on what fell off the bbq.
I was not able to wet test it, but I really liked the layout and felt like it would be a nice tub. My wife isn't such a fan, she doesn't like the foot dome, and I really like lol... compromises..
But my local dealer quoted $6199 + tax for the Edison. That included cover/steps/starter kit and delivery. Sounds like your dealer has some pencil sharpening to do. And I'm in California a few miles from the Pacific... we usually pay more for EVERYTHING.
That said, I think I'm going to the Bullfrog dealer tomorrow to work a deal. A bit more $ but better warranty and after being a part time spa tech taking apart my D1 fixing various leaks over the last 5 years (it was a great tub for about 12 years), I like the Bullfrog concept and design. But the Edison was a close second. Also looked at Hot Spots... didn't like the shapes.