Haven't seen it this low! Rtings lists it as best lower mid range gaming monitor option https://www.rtings.com/monitor/reviews/lg/27gp850-b
edit:
equal price at amazon, but temporarily out of stock
https://www.amazon.com.au/LG-27GP850-27-Ultragear-Overclock-…
edit:
this deal immediately went OOS, I didn't even get one :(
Been recently $399 before @ amazon - :( but upvoted for the post :)