I think we'll know alot after the Senior Bowl /Combine.
NOt that those are the end all be all for evaluation, but one thing is a bi-product of those is you get an idea of what teams think of certain players.
most of those reports are smokescreens however.
If after those two events he's not mocked in the 1st, I would have to consider another option at 1. Not because I want to though. I want the dude here.
If the Chiefs would end up not taking him at 1, and not trading back - they damn well better trade back into the 1st (or wherever they think he'll be/when they want him).
If he's mocked as, say, #10....piss on it - take him #1 overall.
Life is 99% inspiration, 1% Perspiration, and 1% Attention to Detial.