Just bought one of these from BIGW they were marked as 30% off, was $599. They had one in display.
The link attached is for the exact TV as BIGW don't appear to have TVs on their website.
4K Ultra High Definition TV
4 x HDMI Input
High Dynamic Contrast
PVR Function From USB connection
Slim PanelPre Purchase egiftcards for another 5% off.
https://www.cashrewards.com.au/woolworths-gift-cards#
After doing a video calibration I'm pretty impressed by the TV at this price point