Update: This monitor has been available since September 9th. It sells out on Amazon all the time, at which time a 3rd party offers it for an inflated price. But the Amazon's price is $899.00, it usually restocks within 1 or 2 days.
ASUS ROG Swift 27” 1440P Gaming Monitor (PG279QM) - WQHD (2560 x 1440), Fast IPS, 240Hz, 1ms, G-SYNC, NVIDIA Reflex Latency Analyzer, DisplayHDR400, Eye Care, HDMI, DisplayPort, USB, Height Adjustable
$899.00
https://www.amazon.com/ASUS-PG279QM/dp/B08LCNWQWL