I think it would be interesting for there to be another arc based within Infinite Tsukuyomi.
Naruto, Sasuke, Orochimaru, Kabuto, Edos are unaffected but everyone else is.
It would be a good chance for some more character developments between Kabuto and Orochimaru, possibly even Naruto and Oro since they haven't even spoken to each other since the beginning of shippuden.
Their goal would be to break free from the Genjutsu before Madara eats the Juubi's fruit. This would also be another opportunity for Naruto and Sasuke to gain one last power-up.
Idk I think it could be interesting.