Aliens is a great movie and i like it, but I actually prefer Alien, because it's not only more horror, but also it feels kind of "real".
For example, the work colleagues don't feel like they're all best friends forever. They aren't hostile either, like Clemens and Andrews or maybe Fifield and Millburn in the beginning. They keep it kinda civil like in real life. Also for example, after Ripley and Ash had their dispute why Ash doesn't gain more progress, they show him taking a drink and going out of the room. This last moment feels so real. Movies usually would have skipped this, because it's unnecessary. But I like this, because it feels so "organic" and real. I can dive into this movie better, if that makes any sense.
I'm also a bit conflicted with the Queen idea. I actually would have prefered the egg morphing. Now the Aliens are like an ant hive or a bee hive. Though the Queen looks really cool, including AVP 1 movie, I rather would have prefered the Xenomorph to be less like an insect.