They're all NTSC, as Japan is NTSC.
I don't know if you're asking teh diffrence between the VFX games, M3, and the PS2 game, or what.
If mod'ed, it should play everything but M3 and VO, what with one being a DC game and the other being Windows.
...
Unless you're in PAL, which I guess you are. I honestly have no idea how that affects things on the PS2.