1900 usd = around 1500 euro...
If the engine is ok and if you want one to turn into an Abarth replica I think you will have to search hard to find something cheaper.
New doors are now 750 euro each and repairable doors will set you back at least 200 euro.
Don't worry about rotten wings, they will be exchanged with a kit anyway

Good luck with your hunt and afterwards your project!