I would choose LED over LCD and 22" is a great size. Do you want suggestions on models aswell?
Correct me if i am wrong, but couldn't it be LED type be in LCD technology? like screen is LED LCD, i think mine is.
LED= Light display
LCD= Liquid display
It's not possible to have both in the same monitor, LED is better because when there is light in your room, it won't make the screen look dim.