Perhaps the one factor that makes Barnett to the Chiefs a win-win is the Chiefs need to spend money and the Packers need to shed it. The Chiefs have well over $30 million to spend and linebacker is a spot of need. The move for Barnett would fill a hole without having to worry about other suitors. It's uncertain what the package would have to be, but perhaps a fourth or fifth round choice in 2012 would be enough to get a deal finished.
Follow the link above for the entire article. He mentions the competition Barnett would face for the starting job in KC wouldn't be too hard to overcome.