Tough.
Reid has dominated the division, and I agree with Phil that had he had a better QB during his tenure (including, if he had drafted Vick), then the Eagles would have won more than one Super Bowl during the past decade.
Knock on Reid is, he refuses to run. Which is normally a staple in the NFC East.
Coughlin is one hell of a coach. He already brought incredible success to one franchise team (didn't Jags go to the AFC Champ their 2nd year?). But he's old.
I really don't have much of an interest in Shannahan.
While I love what I see in Garrett, I question whether or not with his youth and relative inexperience if building a team from the ground up would be too much for him at this point in his career.
The fan in me would take the risk, because I do like his youth, I do think he's intelligent, and I do think he has great command of the team, and I'd like to have the same guy in command (assuming there was some success) for 10-15 years.
But from a more sensible standpoint, I don't think you could NOT take Reid.
So . . .
Reid
Garrett
Coughlin
Shannahan