it's not about how old the driver is. This thread is really about "will people say i'm too old for a turbo".
It's not about the car, it's about what you do with it. A 35 year old (like me) is probably not going to do the same stuff with his car as they would have done at 18. If they do that's when people start commenting.
If they don't like it f*** them. It's your car, i'm guessing you love it, so enjoy it for as long as you want.
I genuinely think these cars have matured along with their owners. They are looked at differently today - people buy them for different reasons than we did 15-20 years ago. For example younger people now at 20years old buying a 20year old car - bit different to us buying one 15 years ago which was 4 or 5 years old.

Think what i'm trying to get at is they're classics now... and classics can be owned by anyone - even pensioners! So we are all alright.