Consider that Cooley is getting to the point where you might not expect him to improve athletically and in fact, he may start declining soon. He's coming off of an injury. Fred Davis has shown he can start. I know he's popular but other teams (Pittsburgh, New England) cut ties with players all the time (and they win consistently).
Could Cooley be in the trade mixes that they Skins are discussing? What do you think he's woth by himself (in terms of 2010 draft picks)? I would say he could bring a 4th round pick.