d258b0d8_ick_Overview____Bootstrike_Com__LCD
[0] Refresh Rate (Screen Flicker) [CRT] A minimum of 75hz is required for a flicker free image. All CRTs already support this, except at ultra high resolutions 2048++. [LCD] 
LCDs do not "paint" their image. They provide a flicker free image every time.
LCD vs CRT - Pros and Cons (A Quick Overview) - Bootstrike.Com
LCD