I have always loved the Z8, but never owned one. Now I am looking for a new car and there are several under consideration.
Z8 (of course-but obviously used, none picked out yet)
New Corvette (supercharged, if I can get one)
New Jag-XF-R or XKR (both supercharged)

Can some Z8 owners give me an idea of what to expect maintenance cost wise and potential major expense? (No warranty, of course)

What would you do in my position, and why?

Thanks a lot,