Buy.com has the ASUS 23″ 1080p Widescreen LCD Monitor, model no. VH236H, for $139.99 (179.99 – 20 instant savings – 20 MIR) with Free Shipping for a limited time. This $20 mail-in rebate valid until August 31, 2011.

The ASUS 23″ 1080p Widescreen LCD Monitor features a 1920×1080 (1080p) resolution, 20,000 :1 contrast ratio, 2ms response time, 300 cd/m² brightness, built-in speakers, one HDMI input, and both VGA and DVI inputs.

Amazon also has the same monitor for the same price with $20 mail-in-rebate.