Do yourself a favour and collect NTSC PS2 games.
Once you go 60hz there is no going back to 50hz.
Still very valid for PS2 I am afraid! The Gamecube and Dreamcast often asked the user which they'd like upon game boot.N64 this is true all day long, can't say I've noticed it as much with the PS2/Cube/Dreamcast era...
Do yourself a favour and collect NTSC PS2 games.
Once you go 60hz there is no going back to 50hz.