Just in time for Prometheus! Super cheap Blu Ray collection of the Alien series... Even though it's the UK version its region free so it'll work in any Blu Ray player. I already have it and I love it!
http://www.bleedingcool.com/2012/04/25/now-time-buy-alien-films-on-bluray-but-when-isnt/
http://www.bleedingcool.com/2012/04/25/now-time-buy-alien-films-on-bluray-but-when-isnt/