BuyDig.com has the LG 34GK950F-B 34" Curved 2 34" IPS Gaming Monitor (Open Box) for $649 with free shipping. Comes with a 1-year warranty.

• 3440 x 1440 (21:9 WQHD), AMD Radeon FreeSync 2, 144Hz refresh rate
• 5ms response time (1ms MBR), 2 x HDMI, DisplayPort, 2 x USB
• $1089 at Amazon