That's hurt the team more than anything--they were good enough in '09 to get by basically on their sheer talent alone, not superior coaching, IMO. One of the many complaints I've heard from horns is how Mack seemed to lose touch with the team, and when the ship was sinking this year, they were too far gone for him to reassume his hands-on control. It will be interesting to see how Brown handles this offseason and his approach to coaching in '11. He's a of a recruiter, but his coaching is what they really need right now. Like TFloss said, we'll see if he has it in him.
Let me make myself clear--I'm not in the camp that thinks that the Aggies are going to have an open season on texas recruits. Muschamp leaving was huge, but honestly I'd be surprised if a they started getting snapped up in droves by other Big 12 schools.
It will hurt texas though, as their talent dearth was exposed in '10--they need all the recruiting momentum that they can get, and an ace like Muschamp leaving puts an already shaky unit on thin ice.