Just as important how Katich, Ponting, Clarke, Hussey and Haddin perform than the fortunes of Phil Hughes.
Just as important how Lee, Clark, Siddle (possibly Hauritz, Hilfenhaus and McDonald) perform as the way Johnson bowls
Two great cricketers, but not enough to carry the Australian team over an entire Ashes series. Australia have never been a team to hang its fortunes on certain cricketers to perform.
Johnson to take 20-25 wickets at a tick under 30. Hughes to score 1 century, and have an impact in a couple other innings for an average of 45.