I loved JP, liked the second, and hated in the third, but at this point I would like to see an all new cast and see the story be totally redone with no mention of the first trilogy. New cast, new dino's, new story, and go a little darker with the story line. God why does Chris Nolan have to be busy.
New dinos? They pretty much cover the bases with the current arrangement of dinos. No need to change them. Everything else I agree with. They would be setting themselves up for failure if they tried to bring back the original storyline. JP3 already destroyed it.