So what does everyone think about the player rankings on great blue north and cbs sports...

here is the gbn ranking
http://www.gbnreport.com/top100.html

the cbs rankings
http://www.cbssports.com/nfl/draft/prospectrankings?tag=fastFacts.nfl;Prospect Ratings

What one do you guys think is a better judgement of where players value is??