Walmart offers the Acer V246HQL 23.6" 1080p LED-Backlit LCD Widescreen Monitor for $101.99. That drops to $99.85 when you select in-store pickup. That's the lowest price we could find by $2, excluding the mention below. It features a 1920x1080 (1080p) native resolution, and DVI and VGA inputs.

A close price: Overstock.com has it for $100.99 with free shipping.