I see Aliens is to be released as a standalone blu-ray at the end of january Play.com - Buy Aliens (Blu-ray) online at Play.com and read reviews. Free delivery to UK and Europe! yet for just over £3 more the Alien Anthology Box Set is available on blu-ray Play.com - Buy Alien Anthology Box Set (6 Discs) (Blu-ray) online at Play.com and read reviews. Free delivery to UK and Europe! just wondered if there is any difference between the copy of Aliens in the box set and the standalone release as it seems a no brainer to buy the boxset surely.