Grumpy, do not be overly intimidated by the Aussies. They are human like us. I feel they have gotten inside your head and you are mentally beaten already, and we are several months away from the first test. Milne is not a poor kid, he is our speed demon, our 150+ kph ace in the hole.
I also want to play a leg spinner against Australia. I don't want to take a backward step against Australia. If we stand up to the bully, we can prevail.
Want to beat Australia, look at the teams that tour Australia and beat them. They did it with smart cricket sticking to their orthodox and successful playing method.
This team is not in such dire straits that it needs to deviate from what has been working for it. I think that that would be foolish.
Trying to "blast" the Australian top order out with pace, is not likely to work. They are used to pace. They have grown up on Lee and Tait. Have Starc, Pattinson, Cummins and Johnson bowl to them regularly. Its nothing to them. I doubt it will even work against the middle order fighters, who even if technically deficient, will rise to the challenge and fight their way through it.
Knicking them out, that is how this team will beat Australia. Swing bowling and nibblers. Their batsmen can fail to good swing bowling. Boult outbowled Anderson in the last test series. Lets see how Jimmy goes against Australia this winter. If he causes them problems, that is your answer. If he doesn't, bare in mind that Boult did it better this year.
Didn't India bowl pace to them over the summer and just get carted? If only the new ball swings or seams round for NZ bowlers in Australia next year, then Milne as a third or fourth seamer seems like a dumb move. If the Pink ball just hoops all night, why not go for Wheeler or Dougie? (I cannot believe I said Dougie - but whoever can swing the ball).
As for intimidated by the Aussies, you seem to be calling on McCullem to go Jardine, use Milne as Larwood because you fear that Smith is Bradman. The last sentence is a joke. Please do not be offended by it.