John is more consistent, has more power, presents his partners quite well. That's what you need as a male pair partner, someone who's strong, who doesn't stand out too much, who meshes with his partner.
In term of sheer strength and tricks and consistency, John is better than Rockne.
Like I said, D/C aren't polished, their lines aren't attractive, their packaging is cheap, she looks cheap and crazy with those makeup. What they have is power and presence. They worked the crowd into a frenzy. I didn't care for them, and I was standing cheering by the end. They worked real hard for that one.