Certainly more creative.
That said, I've fucking love the concept of Haki at its most basic.
What I don't like about it is how Oda's gone off the rails with CoC and advanced forms. Future Sight is a cool concept implented terribly. It should be an extremely rare ability, person even unique to one person - not something that can be attained by just anyone. Armament Haki is a fucking mess, I don't even know where to start. CoC was great up until it started to become some "God has a plan for you" Chosen Ones bullshit power.
Haki was better when it was more simplified, with certain advanced abilities being attainable and certain rare ones unique to individuals - think along the lines of Nen or unique Force powers.