Not true. I was 7-0 as Akali by like 12 minutes, and an AP Ezreal and 1-10 Tryndamere made sure that no amount of Akali awesomeness would let us win. --- Here from the king's mountain view, here from the wild dream come true. Feast like a sultan I do, on treasures and flesh never few.
To me, Elise is almost always instabanned. I see Zed banned more than Akali, so I say Akali. They're all good to have, but Akali isn't banned as much as the other two. That being said, dominate early and free roam.