where do you know that from? At prad.de they say that its pixel response times are good for gaming and whatching movies and the monitor has no longer PWM. So shouldnt it be worth to reconsider?
PWM is Pulse Width Modulation and is used to dimm the LEDs behind (or at side) of a display
90%on and 10% off is brighter than 10% on and 90% off (same period) ---> this is the flickering backlight
http://www.computerbase.de/forum/showthread.php?t=1290495
in this german link you see the partnumbers which are flicker free
http://www.benq.de/product/monitor/bl2410pt
here is the second title for eye-care, which means flicker free
here the same on the global page...