3 years ought to be enough to get a fair assessment. Here's a list of all the new head coaches of 2006... how do you think they are doing.. or did.
Buffalo Bills Dick Jauron
New York Jets Eric Mangini
Detroit Lions Rod Marinelli
Green Bay Packers Mike McCarthy
Minnesota Vikings Brad Childress
Houston Texans Gary Kubiak
New Orleans Saints Sean Peyton
Kansas City Chiefs Herman Edwards
Oakland Raiders Art Shell
St Louis Rams Scott Linehan
Buffalo Bills Dick Jauron
New York Jets Eric Mangini
Detroit Lions Rod Marinelli
Green Bay Packers Mike McCarthy
Minnesota Vikings Brad Childress
Houston Texans Gary Kubiak
New Orleans Saints Sean Peyton
Kansas City Chiefs Herman Edwards
Oakland Raiders Art Shell
St Louis Rams Scott Linehan