I find the aspect of how Douriki is being treated rather odd. That is to say, at first I thought that Fukoro(Kukoro? I've seen different translations.) would get a reading on each of the Strawhats and give us an idea of their physical strength. But Mr. Zipper-mouth ate an Air Cannon to the face and is pretty much out of the picture.
I also thought there was going to be some exposition on how Douriki dosn't actualy measure how able you are in battle, since it dosn't measure, or at least hasn't been said to measure, speed, intelligence, technique, defence or what have you.
I was worried that Douriki would lead to some psuedo-DBZ power level jargon and comparison, like: "I trained this much and am therefore more powerful than you!" "Yeah? Well I trained that much at fives time's Earth's gravity!" "Yeah? Well I trained at ten times Earth's gravity!" "Fifteen times" "Twenty times". Blah da blah.
It really concerned me, seeing as how alot of One Piece battles actually focus on determanation and techniques or finding the enemy's weak spot, etc.
So what do you think? Is their going to ever be a return of Douriki? I don't know how they would implement it, but I think it would be nice if Douriki was posted in a bounty, like Pirate X with a bounty of Y and a Douriki value Z. But that would make some bounties lacking, like how would one test the Douriki of Mikawk? Answer: Very carefully