Upcate [7/5]: Sold out at Amazon, but still at Buydig. 

Amazon has the Deco Gear 30" 200Hz Curved Ultrawide Monitor (‎VIEW330B) on sale for $152 with free shipping on $35+ or with Prime. Also at BuyDig. 

• 30" VA Display (2560 x 1080), 200Hz Refresh Rate, 1ms (MPRT) Response Time
• Adaptive Sync, 2 x HDMI 1.4, 1 x HDMI 2.0, 1 x DP 1.2, 1500R Curvature