HyourinMaru-, your logic is so messed up, it's beyond belief. Just because you're taught by someone doesn't mean you learn everything they know and surpass them. In fact, most often the opposite is true. You learn but a fraction of what the teacher knows and stay inferior to him. It's already been stated Yondaime was the best Ninja Konoha ever had. That means Kakashi doesn't measure up to him. That means he's inferior. That makes it HIGHLY unlikely he makes a superior jutsu. DarthEnder's theory is much more sound.

Anyway, who cares about Sakura's boom punch. I want to see her have the scalpel technique that Kabuto uses.