newegg offers the Acer 23" S231HLbid 1080p Widescreen LED-Backlit LCD Monitor
, model no. ET.VS1HP.001, for $139.99
with free shipping
. That's the lowest total price we could find by $20, although we saw it for $26 less last winter. Features include a 1920x1080 resolution, 5ms response time, 250 cd/m² brightness, 1,000:1 contrast ratio, tilt adjustments, and HDMI, DVI, and VGA video inputs. Deal ends May 21.