My son and daughter-in-law have one and I have used it on numerous occasions. I am not sure what you are after in your question, but my opinion is that it is beautiful and works but, for me, not worth the $7000. From the practical point of view, it does seem to have a number of things that seem to need repairs and I would not get one without a nearby dealer. The ovens are very small for most American meals ( a 20# turkey would be difficult).That said, I have a friend with a 40k watch which works as well as my Timex but she appreciates the watch and it is important in her life. But please be clear about your purpose in asking and you might get more useful responses.
Our house near Santa Fe came with the extra large Aga and I have learned how to use it very well, but combined with the altitude here (6,800 ft), baking has been difficult. The dealer the range was bought from is no longer in this area, so I'm pretty much on my own. I'm looking for other Aga owners at this altitude who may be able to give me some tips.
I do love it, but it takes a while to get the hang of it since there are no knobs or controls. I've learned how to open more of the oven doors if you want a cooler burner on top, but then of course, that heats up the kitchen something fierce!
I would not buy a new one myself, but my husband has done a lot of research into selling it--he even talked to a re-sale dealer in the UK where they are very popular--and he didn't want it due to shipping costs. You really have to have someone who knows the oven come in to dismantle it and that alone costs about $300. In other words, we're kind of stuck with it for the time being until we win the lottery and can buy a 6-burner Wolf.