Jason did a good piece on Landry. His conclusion was that he is not quite as valuable - based on the available stats - as you might think. Of course, stats only tells a part of his game. Theres a lot to be said about the fearsome hits he puts on guys. I'm sure there are times when alligator arms develop for fear of getting popped by him.
Bottom line, if someone is willing to break the bank, he's gone. I would make an effort to sign him, but not at the risk of blowing the bank. He's a luxury that we may not be able to afford.