At this point I would rather see less CGI overall but I dont think puppets/muppets would cut it. More actors in costume though is something I hope that is seriously considered. Especially now with the level costume/makeup has come. There should be no real reason to CGI an alien in my opinion. Think about this. I think one of the reasons why Jar Jar was so hated was because he was done with horrible CGI. IF he was costumed with an actor. He might not have been so horrible.