>>106277800
>>106277633
Another option if you weren't keen on 4K but still wanted a nice splurge in image quality for indie/older games would be the Gigabyte MO27Q2 27" 1440p@240Hz QD-OLED:
https://www.youtube.com/watch?v=amgk7w1WX7I

Which is the cheapest OLED gaming monitor in your market and still would bring you under $2500 AUD like so: https://au.pcpartpicker.com/list/3wqZTM
Once you game with perfect contrast, colors, and 0 ms response times it's a night-and-day change: