Probably this may not be the lowest price for this gaming monitor but still pretty good IMHO.
Size: 27"
Panel type: IPS
Resolution: WQHD (2560*1440)
Refresh rate: 144Hz (165Hz with overclocked)
Response time: 4ms GTG
Original 15% off 9 Sellers (Min. Spend $50, Max Discount $500) @ eBay Post
can anyone comment on how Acer VG271UP 27" compare to this? from spec sheet it looks very similar and obviously cheaper without the G-Sync tag