Disney should pretend the prequels didn't happen
After Lucas dies in like 20-30 years they should remake the 3 prequels. It would lead to a boat load of money and I think fans would be okay with it. In 30 years, Disney will have made like more than 10 Star Wars films...they'll be running out of ideas by then. Time for remakes!
I'd be okay if they completely change Vader's back story...