I won't weigh into this other than to say you buy what you can afford.
I would love to have a geniune Cobra and one owner built Cobra.
The owner built would be the one that I throw around the track without fear of damaging it.
I really do not know how much fun I would have in a genuine car other than the knowledge of owning it and the obvious appreciating financial investment.
I agree this question will start another ongoing Thread.
Cheers
Bernie