Hey I did something really worth while in my spare time, I took the unrated version and loaded it in some editing software on my mac and changed the predator vision to the blue/red thermal and added the right sound fx for that vision mode. I also added the Aliens/AVPR elephant/peacock sound fx when an alien dies. I just watched it and it actually makes the movie more like the originals and pretty fun to watch!
anyway, nothing extremely amazing but i thought it was worth mentioning