Here's my (sad) story about buying an off-plan property in Albania:
rintala.org/sarande.html
My advice is that always buy a finished apartment which comes with the hipotek (document that proofs that you own the apartment). If you really want to buy an off-plan apartment, make sure you check the history of the developer very carefully and check their previous developments.
Btw, if you know a good English speaking property lawyer, let me know 