Amazon has the ASUS WQHD Curved 31.5" ROG Strix XG32VQ Gaming Monitor for $529.99. Shipping is free.

• 2560 x 1440 (WQHD), 144Hz refresh, VA panel, HDMI, DP, miniDP
• 1800R curvature, FreeSync Adaptive Sync, swivel/tilt/height, USB 3.0 hub

Staples.com has the 24" HP P241v 1920x1080 IPS LED Monitor for $79.99 when you apply coupon code 18329 in cart (discounted price shown at checkout). Shipping is free.

• Resolution: 1920x1080, Refresh Rate: 60Hz, Response Time: 5ms (GTG), Contrast Ratio: 1,000:1
• Viewing Angles: 178° H / 178° V, Panel Type: IPS VESA Mountable: 100 x 100 mm
• Ports: 1x DVI, 1x HDMI, 1x VGA