i found this:
Aliens found James Cameron take over the reigns as director, and for once the tag line really did say it all “This time it's war”. Eschewing the tense horror of its predecessor, Aliens was all about thrills and adrenalin. It's a great example of how to do a sequel, Cameron's story opens up the story and adds to the world of the Alien's and Ripley, whilst also proving the audience with what they want, plenty of violent and thrilling Alien action. The special edition version included on the disc has been around for several years now and has come to replace the original version as the definitive one to watch.
this might be spoilerish
spoiler (click to show/hide)
The restored sub plot of Ripley discovering she'd out lived her daughter adds a great deal of poignancy to her relationship with Newt, whilst the sentry gun sequence quite simply rocks
it's about a restored subplot that isn't in the tc, and it kinda gives a better light on the relationship between the characters.