Essential purchase for Alien fans!
I bought this as an upgrade to my dvd boxset, I didnt know what the difference between this and the 6 disc blu ray version was, (as the descritpion on the site doesnt tell you much) but you get the 4 films in seperate slim cases with the amazing new artwork (look at the seperate discs on here and youll see what I mean!)
Each disc has 2 versions of the film - theatrical and special/directors as well as the extras too. I have heard the version of Alien is recently remastered and visually stunning - I am yet to watch at the time of writing so I cant comment.
Overall I'm really pleased with this blu ray boxset - espeically as I got it for under 20 quid BUY IT NOW !!!