I remember driving in my uncle's 924 (a far reach from a 968 I know), but it seemed well built and nothing about it was complicated. I argue that a M thing built in the mid 2000s is way more high strung. So how much does all this rod bearing, cooling

cost to replace on top of the basics like rotors/calipers/pads/clutch? If it nearly doubles the buy in price then the car doesn't hold a candle to the all mighty C5.
Personal inflection if/when I buy a fun car again: I realize that

is right, it isn't really worth me dicking around with old car things if the cost of upkeep + depreciation is more then the cost of upkeep + depreciation on a car that costs twice as much.
TL;DR - It might be worth spending twice as much for a nice track toy that hardly depreciates then it is to buy a beater car that needs a lot of $$/work.