I think also that if anyone is still in doubt, how fortunate we are to have contact with the top man in a situation like this. To have someone so willing to offer advice and help when I am sure he has an awful lot of 'proper' work to do is simply unique.
Although I would never suggest that the forum should take credit for your success, I do see details within the ranges that prove that GM does listen to what the customer wants.
I have nothing but admiration for the current setup, long may it continue.
Now...about that discount...