I think that in Fallout 4 it should be harder to level up, and there should be more robots and technology than Fallout New Vegas, and most of all MORE SUPER MUTANTS!

We have an http://www.gamesas.com/index.php?/topic/1207575-fallout-4-speculations-suggestions-ideas-25/ for FO4 suggestions, you're welcome to repost this in there.