RDR was one of my favorite games last gen. Unless they significantly improve gun play I'm just having a hard time seeing how they will be able to exceed Horizon in terms of the 1 v 1 combat game play front. I'm excited to see what Rockstar comes up with.
Hopefully some contextual melee, even more improved animations, improved AI with some huge battles at random, and more destructible environments.
One thing that never gets old though is pulling off head shots and see the hat pop off.
If RDR releases this year, 2017 will be the best year for the open world games, PERIOD.