Staples.com has the Acer X213WBD 21.6" Widescreen LCD Monitor for $139.99 with Free Shipping.

• 21.6" Widescreen Active Matrix TFT LCD Display
• Resolution 1680 x 1050
• Contrast ratio 2500:1
• Brightness 300 cd/m2
• Response time 5ms
• DVI w/HDCP input
• Dimensions 20.3"W x 15.7"H x 6.96"D (11.08lbs)
• 3 year warranty

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