You can download it from here:
http://library.avsim.net/download.php?DLID=79174
It is in our livery as well. It is a POSKY model (v.2). This is the one I use without problems. However the B764 does have a heavy behaviour. If yout aircraft is fully loaded with a normal fuel quantity during approach you can use full flaps and a speed not less than 160 knots. You can reduce speed during the flair. Also, the POSKY B767 series models are a bit sensitive during the touch down as a touching with more than 400 FPM may cause serious damage to the landing gear system.
If you compare POSJY models with the FS defaults you will notice they all seem a bit heavy. It is not a problem of POSKY though. The FS models behave lighter than the real aircrafts. You can test this if you compare a POSKY 747 with the FS default one.






