Motion blur-like effects due to interlacing mode

[Psy-Q]

I was trying Maximo: Ghosts to Glory and Dark Cloud and when turning my character I notice the whole scenery gets a softened look, almost like a motion blur. I was thinking my monitor is melting or something, but then I fiddled with interlacing options. Only interlacing: none makes it look as crisp as on a CRT and gets rid of all ghosting, but it does introduce jitter or comb effects depending on which setting I use.

Is this a general thing for all games (barring those that have progressive mode), or could it be that one deinterlacing method works better on one game but another one is perfect for a different game? In the mentioned games it seems "none" gives me best results.

[CK1]

It depends on the game, usually switching the Interlace mode will reduce motion blur. Most of the time bob tff works best, but see what you like the most

[Psy-Q]

Thanks, that one seems to work best indeed