On CRT monitors the difference between 120 and 200Hz was very noticeable in fast arena shooters. On LCDs with their inherent motion blur there's probably less o

On CRT monitors the difference between 120 and 200Hz was very noticeable in fast arena shooters. On LCDs with their inherent motion blur there's probably less of a difference between 144 and 240Hz, but I'm not going to call it placebo due to my previous experience with high frequency CRTs.