Even coming out of college, there were questions about Rodgers as a pro QB. His throwing mechanics raised eyebrows, and his arm strength was not what it is now. Phil Simms has said that he watched Rodgers in his first training camp, and Aaron was a mess. He said that the Packers coaches appeared nervous. A few years later, Simms was just absolutely stunned by how Aaron had elevated his play.
The thing that, imho, separates Aaron from Brett is his work ethic. Aaron prepares better. He has willed himself into an elite QB. Brett was a great player, and no 3 time MVP can ever really be questioned...but imagine how much better he could have been towards the end of his career when his physical skills eroded just a bit.
Aaron has carried a chip on his shoulder since being passed over in the NFL draft, and we are the beneficiaries of an incredible fire burning inside of him. He is a true leader, in every meaning of the word, and we are so damned lucky to have him.
This is just the beginning, everybody.