newegg offers the Acer S236HL tmjj 23" IPS 1080p LED-Backlit LCD Monitor
, model no. UM.VS6AA.001, for $149.99
with free shipping
. That's the lowest price we could find by $39. Features include a 1920x1080 (1080p) native resolution, built-in speakers, two HDMI ports, and a D-sub connector.
Update: Specs have been corrected.