I agree that the franchise has been over-saturated with content, and I believe a clean slate would be nice.
But if one was done, I can only image what kind of constraints it would have on the story as it would have to keep things that have happened in the comics, shows and other movies relevant, but hey.
Star Trek got away with, at least I think it did for the most part.
If one did happen, I wonder in what order they'd be rebooted? I wouldn't mind if they started with "Phantom Menace", but likely the films would be rebooted in order of release - and in the process anger many, many, many, many, many fans in the process.
I only want the new trilogy rebooted, but I honestly cannot see it rebooted for at least 20+ years.
Optimistically, 15 years.