I think Luck was more hyped than Leaf/Manning, along with being the most hyped QB in recent memory. Honestly, I think Vick may have been more hyped than Manning just because of how unique he was.
In terms of Luck vs. Lawrence, obviously it all depends on this year, but Lawrence to date is certainly pacing to be more hyped. Thing with Luck is that while he was a great recruit, he was not 5 star. He was the 7th ranked QB and 61st ranked recruit with an 82 grade coming in, and then was redshirted. He was also in the same year as Terrelle Pryor, who EVERYONE was talking about. Lawrence and Fields came in as the most talked about QB recruits since I don't even know when. And then to do what he did as a true freshman just elevated him to an insane level. While the INTs were a bad start this year, I think overall it was a great year for development, his underlying numbers were a bit better and he added a running dimension to his game. But yeah, Lawrence is that true phenom who came in being hyped as the next big thing, but actually delivered on it, which is so rare to see, especially for a QB.