I am very fond of FFG's Star Wars-system (Edge of the Empire/Age of Rebellion/Force and Destiny). Not one I thought I would like so much, but I've really come to like how it is much more creative in handling outcomes and resolutions from a dice-roll.

A successful roll can come with complications, a failed roll can come with positives, and Triumph/Despair really creates standout moments. I think it works best with a playgroup that is creative and quick to offer suggestions to these rolls, because it can become a bit too much for a GM sometimes to determine the creative outcome of every roll, and I've had great experiences with it in Play-by-Post (where you often have a bit more time to really think on the dice results).

Overall one of my favorite systems for interesting and dynamic results.