mr tony..... go for a brand new s4. as simon says the engine and even the auto box is fantastic.... I've just come the other way round. (ie) from a conventional mass produced luxury car to a morgan. I test drove a black, brand new, auto aero8 s4, and loved it......but most of all (in the points and options you made) there's nothing like the fun of specing a new vehicle. and the smell of newness.
Come on dmat, let's know more. When are you going to introduce yourself and your Aero and publish some photos of it too?