Good point. I think that if they do make another one, they should try to do that New Nightmare thing you guys are on about. I like the idea of going somewhere new with the franchise without dumping on the originals.
In which case, it doesn't need to be a Ripley film, just don't make it about characters you don't give a rats ass about like in AVP2 (who were gettin blown left, right and center). That and try to come up with a good story.
I hate about 98% of films nowadays plainly because they focus more on the effects n shit. I'd rather have a meaningful, suspenseful film without CG then CG with a craptastic plot any ten year-old can come up with.