Lenovo released their newest LCD monitor ‘ThinkVision LT2223z’ that comes with a built-in Full HD web camera. Adopting a TN panel, this new 21.5-inch LED-backlight monitor supports... Lenovo LT2223z 21.5-Inch LCD Monitor has Full HD Camera
The only way I would get a monitor with a build in camera+mic is if it had a physical hardware on-off switch.