Prices for NICE 944's will rebound. They almost have too
. Think about it though. There are plenty of 100K+ mile cars.. needing clutches, being parted out, being turned into racecars etc. The percentage of low mileage, unmolested examples is very small. Is the car in question worth $6K? I think it could be.. but it may take more time than you wish to find that buyer.. why? because the lure of the low $$ example that can be bought now and "fixed up" over time vs a higher entry price, but is better to begin with.
I imagine that, much like "SC"s all being "$20K" cars.. you either spend the money up front or in the upgrades, a 944 (n/a) is a "$10K" car.
Keep it and enjoy it. Use it how you want too (dusty conditions or wrapped in bubble wrap).. just be happy.