To Paint Or Not To Paint

[Hetzer21]

I have a 2006 base model with manual transmission and only 145K miles. It belonged to a mechanic for years and was well taken care of. The clearcoat, however, is failing fast and there are numerous small gravel dings on the hood.
I paid $4000 for the car two and a half years ago. I imagine it will be around for a while. I wonder what the Vibe community thinks about the wisdom of spending a coupld grand on a 19 year old car.