I am selling an 18-month old monitor in perfect condition. Used only on occasion. Comes with HDMI cable + MAC HDMI converter for Thunderbolt (no extra charge !!!)

ONLY $ 135

AMAZON description:

Whether you are a video gaming enthusiast or a graphic design profession, you're going to love the Acer S231HL bid 23" Class LCD Monitor.
This 23-inch widescreen display features the full 1080p resolution for a better picture. The incredible 12,000,000:1 dynamic contrast ratio delivers deeper blacks and vibrant whites.
Features: 1080p resolution 12,000,000:1 dynamic contrast ratio
Ports: VGA, DVI & HDMI with HDCP

AMAZON link:
http://www.amazon.com/gp/product/B003N7P6TC/ref=oh_details_o04_s00_i00?ie=UTF8&psc=1