I'll be going to bed sharpish.
I expect AB to go on the counterrack after the break as he is - it is imperative that we tie him down, using a leg-side dominant field ala India 2004 if need be.
Khawaja/Shaun Marsh both weaken our fielding greatly. I wouldn't be opposed to having Renshaw in at #3 instead of Khawaja. A good slipper, in good recent SS form and is not too bad against spin bowling.
I'm not sure why our fielding is often so mediocre. Could be a confidence issue requiring sports psychiatrists. The current coach (Brad Haddin) rarely fielded and was an inconsistent keeper. You'd keep him on as keeper coach at a pinch, but not as fielding coach surely?
Truth be told, I'm not convinced we'll ever be #1 (again) with the Smith/Lehmann/Saker axis. Smith often lacks tactical inspiration, Lehmann's role is unclear given man-management (Maxwell aside) is not a clear Smith wekaness and Saker appears to go along with whatever Smith/Lehmann wants rather than reading the conditions before approving any short-pitched barage at the tail. Apparently when he was England's bowling coach he was able to read the conditions and influence his sides into bowling first (to great success against us at the MCG 2010/11), but he hasn't really shown that ability here.
We need a more tactically adept coach (Gillespie? Not sure, especially given his relationship with CA) and a more imposing bowling coach (probably McDermott if he isn't on one of his legal adventures, or Allan Donald at a push).
In Smith's favour, there are no other realistic candidates. Warner would be a PR disaster whereas Mitch Marsh (whom The Speaker rates highly as a captain) is not yet a permanent fixture of this side.
I personally wouldn't have any qualms with Warner becoming captain, as long as Lehmann was not the coach. But Smith will keep it.