Prime day discount! The used versions were going for $420 yesterday while new was ~$520.
I'd been shopping for an UW 144Hz monitor so I can get out played in Fortnite with minimal motion blur. This price for a 144Hz, Freesync, and LG's ULMB made it an easy decision (was eyeing the Samsung CHG90
If your must haves are:
Motion Blur Reduction
This is your only choice and what a price!