Good prices but the 65" seems to be the pick of the bunch.
https://www.jbhifi.com.au/products/samsung-55-s90c-qd-oled-4…
https://www.jbhifi.com.au/products/samsung-65-s90c-qd-oled-4k-smart-tv-2023
https://www.jbhifi.com.au/products/samsung-77-s90c-qd-oled-4…
Review: https://www.expertreviews.co.uk/samsung/1418219/samsung-s90c…
Key Features
65" 4K Ultra HD Resolution self-illuminating QD-OLED display with Quantum Dot technology
Motion Rate 200 with 4K 144Hz VRR via HDMI 2.1
Smart TV powered by Tizen and works with Amazon Alexa and Apple AirPlay 2
An incredible Dolby Atmos experience
AI Upscaling designed to upgrade your favourite content to 4k resolution
See a great view from virtually wherever you sit with Ultra Wide Viewing Angle
Adaptive Picture cleverly optimises your picture settings
Object Tracking Sound Lite
Adaptive Sound helps ensure you never miss a word
Ambient Mode transforms the blank screen into a beautiful and informative display
AMD Freesync Premium
SolarCell One Remote powered by light energy
Vote solicitation removed — Mod
I'd love the 77" but I just can't justify paying more than double the price of the 65".