TGG is offering decent deals on Atmos soundbars on Big Deals Day.
LG SN8YG - https://www.thegoodguys.com.au/lg-312ch-440w-dolby-atmos-sou… - $795
Sony HT-G700 - https://www.thegoodguys.com.au/sony-31ch-dolby-atmos-soundba… - $539
Samsung HW-Q950T/XY - https://www.thegoodguys.com.au/samsung-914ch-dolby-atmos-sou… - $1399
And others…
https://www.thegoodguys.com.au/audio/home-audio/sound-bars
Don't forget you can price match with Sony and take advantage of the AMEX $100 back for $600 spend (if you have that offer).