It is the first time in a while that I think there is genuine debate - as opposed to panicked scratching around for just about any name. As I see it, we have got seven names nailed on for the first test at present:
Cook
X
Root
X
Bairstow
Stokes
X
Ali
X
Broad
Wood
Now, the first problem to consider is the make up of the side - do they want five bowlers or, bearing in mind the number of games and players with injury histories, do they prefer six? Then you have the question of what side the selectors would ideally like to take Down Under (which is why I have Wood as a certainty but Anderson not, and why later on I discount the idea of Ballance winning a recall at the moment)
So, you need four names - an opener and four bat, a third quick and one "moveable feast" player.
In terms of the batting options, I think England will consider Hameed (but discount him if he has not recovered his form) Stoneman (he's been scoring consistently for a long time now), Jennings and possibly James Vince, as well as two keepers who can bat in Buttler and Foakes. Ballance will be mentioned, but I think his exclusively hang back game might count against him for another year. For the bowling options, Rashid would give them a second spinner, whereas amongst the quicks there are Woakes and Anderson, if fit, as well as Roland-Jones and Plunkett.
What would I do?
Cook
Stoneman
Root
Jennings
Bairstow
Stokes
Ali
Woakes
Roland-Jones
Broad
Wood
With Anderson to be rotated in if he recovers form and fitness.