I just finished JEDI last night and I am a bit concerned. I believe JJ will do great job and by the previews it does have a Star Wars feeling to it... So I believe the movie will be good BUT!!! The plot scares me for the 1st reason you stated here. I understand there has to be a new generation but as one of the very few people that likes the prequels, just because the main plot was truly Palpitine and The Fall of the Republic "which I was very interested... How the fancy galaxy turn into crap" and of course there's also Anakin, but we knew how that was going to end up. So to me prequels are about Politics at it's worse, and Original was more of an adventure that turned into family drama, and less politics. So!!! before Yoda dies he said to Luke "pass what you have learned" "the last of the Jedi will you be". So I'm thinking 30 years after a new Republic is born and Luke is in the process to creating the New Jedi Order, since the Jedi is in power AGAIN!... right? Well all I can get from the new previews is that the galaxy still crap, all the Original characters seems to be hiding or nowhere to be found instead of being in Coruscant keeping democracy alive in the galactic senate they way it should be, specially Leah!! I mean, That's what her adoptive father "Senator Organa" wanted all along.... So after Jedi, I guess they took a 30 year vacation and let the galaxy's fate in the air? Same with Kylo, I hope he got a good back story that makes sense, because this obsession or crush with Vader just because he got a good suit is not enough for me.