the problem with those LCD flicker free monitors in pal and ntsc laced modes ...are the interlace artifacts on games
games doesn't looks fine...scanlines are visible on certain parts in games ...and of course it's not ok
for example here is a pic of turrican 2 where you can see scanlines on the laser shoot...that is incorrect
a correct amiga monitor shows the laser shoot very solid and brighter without scanlines

click to enlarge