Wow! The cover art on those Blu-Rays are sick! Love the slip case's too. What region are they? Do they any special features?
I'm french, so it's for Region B / Zone 2.
All these blu-ray were released in the beginning of july 2010.
Predator is the Ultimate Hunter Edition you can found since the beginning of july 2010. Only the covers are different. And the blu-ray is sell with the simple version dvd of Predator in the box.
Predator 2 is the same as the Region free. Same thing, only the covers are different, and there is the simple version dvd of Predator 2 in the box.
AvP is the basic blu-ray with unrated and theater versions. Same thing with different covers and the simple version dvd of AvP in the box.
AvP-R is the basic blu-ray, with different covers and the simple version dvd of AvP-R in the box.
I can post some pics of the inside of them, if you want.