Groupon offers the AOC 16" LED-Backlit LCD USB-Powered Monitor, model no. E1649FWU, for $89 with free shipping. That's the lowest total price we could find by $24. Sales tax is added where applicable. It features a resolution of 1366 x768, LED backlight, 500:1 contrast ratio, 200 cd/m² brightness, 16ms response time, and USB connection.

Also available is the AOC 22" 1080p LED-Backlit LCD USB-Powered Monitor, model no. E2251FWU, for $139 with free shipping. That's the lowest total price we could find by $13. It features a 1920x1080 (1080p) resolution, LED backlight, 1,000:1 contrast ratio, 150 cd/m² brightness, 5ms response time, and USB connection. Both deals end August 25 at 1 am ET.