I had the same original favorable impression of the Minneapolis store as you did, but I quickly learned otherwise. They are real good at the soft-spoken, laid-back Mr. Nice Guy shtick, but they will screw you royally given half the chance. Like you, my previous B&O dealer (Oak Street in Chicago) was absolutely wonderful, but he closed up shop in June 2007. I subsequently gave the Minneapolis store a lot of business, including a BS3, BV7-40 and BV8, and quickly regretted having done so. And don't even bother asking to speak to the owner; he doesn't take phone calls and refuses to speak to end customers.
I heard by the grapevine that the owner of the Columbus and Detroit stores just locked the door and walked away from his two shops without even telling BOA he was quitting. I take it that they had treated him rather badly. The Las Vegas store also closed recently. There aren't going to be very many good B&O dealers left. There is something very wrong with a company that treats its best dealers so badly, driving them out of business, and leaving only the poor dealers that treat their customers badly. It is not a recipe for success.