Originally Posted by Raven

Logically, I would say if it was fifty percent Kisame vs. Gai, Gai would probably die due to using the eight gate. But get this, it says the eighth gate provides its user with power surpassing a hokage, which would mean Kisame would be twice as fast/powerful as a hokage around 100%. I would say at that level, that his speed would indeed be tremendous. I don't really see how anyone can argue that he is slow or not powerful. Speed and power are his attributes. If he had intelligence in the bag as well, it's likely he'd be stronger than Itachi.