So, By your count Ghost isnt as good an MC as AZ or Inspectah Deck either. He's actually better than both.
You've already decided LIG is classic? In two weeks you've figured ths out? THAT is laughable to me. I remember people said the same thing about all Kanyes albums, Be, WTT, that Clipse album etc.
I've expressed my issues with LIG. If you can rock to lullaby beats than by all means go head. Have at it. But don't begrudge Big Doe Rehab in the process when it employs the same clean, bigger budget sound sans the schmaltz.
As far as who I have ahead of Nas....id say most consistent acts as IMO Nas has been so erratic and frustrating and flat out bad 50% of the time he's REMOVED HIMSELF from the equation.