Jay Graham will hang around regardless I would think. He's a good recruiter and seems to be a good coach. If Rich is hired, I could see just about any coach wanting to retain him. The rest? I doubt it. Hinshaw seems to be a good coach too, so maybe he would stay but it's not like he's a phenomenal coach everyone wants.
Sorry to burst any hopes but I'm quite certain that if Dooley wins 7+ games next year and team looks improved and there's a solid 2013 recruiting class building then Dooley will be here in 2013 and probably get an extension of some sort. We shall see.
Keeping Dooley with 7 wins would show that Tennessee doesn't have much confidence in its football program. An extension with 7 wins would basically be waving a white flag at the rest of the SEC.