Originally Posted by number_6
If you are allowed NZ, the best is HKG-AKL-SYD-PER-ADL-xxx, but it rather sounds like your ticket was ex-NZ which makes this illegal. Within Australia for 3 segments it hardly matters, the difference between best/worst MR would be on the order of a hundred miles.
My ticket is ex-BKK, so I can go to NZ.. but I rather not fly HKG-AKL as only no F class seats on that flight..