Clarke has been ruled fit to play, unless something unexpected occurs. McGain and Siddle are said to have Gastro but should be oh k. I think a side similar to:
Hughes
Katich
Ponting
Hussey
Clarke
North
Haddin
Johnston/McGain
Siddle
Hilfenhuas
Bollinger
I think Hilfy and Bollinger should play as the pitch will seam and swing, and Siddle will be important to seam the ball around. Johnson would be the player i wouldn't bowl... but that will never happen. Johnson may get some reverse and seam movement, but he still needs to work on his wrist position because bowling srambled seam will not get much swing or seam movement. His best balls are when he bowls cutter (at 145km mind you), and the movement is difficult to control. If he could spend a period to fix up his action (not be so round arm, etc) he would be a left arm Styne, but atm good batsmen work him out to easy.