Myer Parramatta has 14 Platinum G2 Primes, 4 CW Silverbolts and not much else.
Kmart Parramatta has lots of RiD wave 1 stuff, a few wave 2s as well.
Target Parramatta has CW Silverbolt, "Armada" Megatron, a lone G1 Megatron and all the usual RiD stuff. Be warned their Transformers section is currently in transit so has no actual shelf atm, it's all on moving trolleys.