As others have said, Hasbro AU's track record doesn't offer much hope.
Here's a list of all the Thrilling 30 toys which have been released overseas.
Legend
Blue = has been released in Australia
Red = has never been released in Australia

Optimus Prime & Autobot Roller (Legends)
Bumblebee & Blazemaster (Legends)
Starscream & Waspinator (Legends)
Megatron & Chop Shop (Legends)
Swerve & Flanker (Legends)
Autobot Cosmos & Payload (Legends)
Skrapnel & Reflector (Legends)
Tailgate & Groundbuster (Legends)
Trailcutter (Deluxe)
Orion Pax (Deluxe)
Megatron (Deluxe)
Bumblebee
Hoist (Deluxe)
Thundercracker (Deluxe)
Dreadwing (Deluxe)
Waspinator (Deluxe)
Autobot Skids (Deluxe)
Goldfire (Deluxe)
Armada Starscream (Deluxe)
Skywarp (Deluxe)
Mini-Con Assault Team (Deluxe)
Autobot Scoop (Deluxe)
Tankor (Deluxe)
Rattrap (Deluxe)
Autobot Springer (Voyager)
Blitzwing (Voyager)
Sandstorm (Voyager)
Decepticon Doubledealer (Voyager)
Rhinox (Voyager)
Autobot Whirl (Voyager)
Metroplex (Titan)

I made three attempts to call Hasbro AU last week to speak with them about this very issue, but I was answered by a machine which diverted me and hung up on me each time.