Ono to neni o rychlosti HW v LCD, spis o pomalosti pixelu... Viz. wiki/Input_lag
However for many LCDs they use a technology called "overdrive" which "reads" what is being sent to the display several frames ahead and processes the image to reduce blurring and streaks left by ghosting. The effect is that anything displayed on the screen is several frames behind which makes anything, even mouse movements, feel delayed as explained in the introduction of the article.