I wouldn't give the job to someone who has only done it a handful of times. The problem for Australia is that they only have a couple of players which play all three formats Internationally.
Ponting, Clarke, Hussey, Johnson, Haddin.
These five are automatic selections for Australia. (Right Now) The next Captain has to be picked from these five, and I wouldn't give it to any of the other four. Ponting is fine as Captain. He beat SA in SA, didn't he? Also he did very well in the first test. He was unlucky to not win that test.