BenQ America last week introduced new 42″, 55″, and 65″ LCD monitors (all native1920x1080p) in the form of the T420, T650, and TL550 touch-screen monitors, respectively. The CCFL (Florescent-backlit) T420 and T650 are spec’d with contrast ratios of 4,000:1 and 9,000:1, while the LED-backlit TL550 is spec’d with a contrast ratio of 10,000:1. All three monitors include:

• Optical Sensing Touch Technology: Provides more accurate control at the four corners of the display. Users can pan, zoom, and scroll through documents and websites with ease.
• Optical Dual Touch Technology: Turns the displayed image or spreadsheet into a multi-touch screen, when paired with Windows 7, for presenter/listener interaction and collaboration.
• Picture-in-Picture (PIP) Function: Displays two incoming images simultaneously for enhanced productivity.
• Anti-Image Retention: Prevents image ghosting caused by displaying fixed images for an extended period of time.
• Ambient Light Sensor: Detects the amount of ambient light in its surroundings and automatically adjusts the display setting accordingly.
• Reliable and Durable10-bit PID Panel: Delivers optimum visual clarity and color presentation under uniform brightness and low temperature.
• Integrated Speaker

Here are all the specs: http://www.benq.us/product/largedisplay