Obviously, I disagree to a point. I think this team has weaknesses closer to the LOS that will cost them.  I don't think anyyone as thin as the Bills are have been pushed over the top by getting a top flight corner.  Since they are not going to address QB (I think), why not lock down the front 7? 
  
 
You have way more confidence in Heard and Troupe that I do.  Regardless of what we have, If I told you we could get Justin Tuck or Warren Sapp at 10, would you take him? Or are you THAT comfortable with what they have. 
  
And Hairston may be a player, but neither Nix or Gailey have professed that much confidence in him.  You need to hedge your bet on a 2nd year player.  I think they need competition at LT, not depth.