I got crummy customer service from American Range so I'd advise against them until they get bought out by a company with better service, like Comcast or the DMV... =P

No info on American but we did purchase a BS RNB and had it installed in March of this year. We are in love and would purchase the same range over again without hesitation. I had a question about a rack and when BS answered they offered to replace the rack (not necessary--I just wanted to know about lubrication, if needed and what to use) immediately and free of charge including shipping and return shipping of the old rackif it was problematic. I didn't even ask for that and of course did not take them up on the offer as my rack is fine, I just thought I may need to lubricate for smooth sliding but don't actually need to. Regardless, the range works beautifully and their service was great. We purchased through Ferguson and they were very helpful too.

It just seems from what I've read here, there is a lot more trouble with the ovens in American ranges. It seems that the service can be more of a gamble too. If you search American Performer, you can read more. It is the closest in function to the RNB. It has star shaped uncapped burners like the RNB but with a semi sealed burner tray. It might be ok for a range top but I would not want the range. American also has ranges with capped and sealed burners and lower BTUs. Their DF has sealed and capped burners and a fairly simple oven, single fan, with only a standard bake and a true convection mode. There is very little in the manual so I would want to really see how it worked before I bought.

If you don't have confidence in a local dealer for BS, consider buying from Trevor Lawson at Eurostoves. He takes excellent care of his customers and has helped some on this forum who did not buy from him.