i love both films and dont think one is better than the other.
I did decide to watch Revenge of the Sith again the other night and god how it dragged. It used to be up there for me, but its now relegated with the other prequel films as dire efforts. So...
Rogue one is now my prequel film and fits in nicely with a lot of clone wars and a few rebels eps.
TFA joins the first 3 as a proper film. I can watch TFA as much as I can watch SW, ESB and ROTJ. I cannot watch the prequels any longer, bloody awful. I'm abandoning them and putting them down into that list of crappy Clone Wars Episodes.
So...
ESB,
SW
ROTJ, TFA, R1
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Good Clone wars arcs
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Good Rebels episodes (about 5), Original Clone Wars cartoons
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Prequels 1,2,3, Holiday Special, Clone wars filler, Rebels filler,