Yea but that wasn't my question this time. Last time it was about how NTSC does in fact run slower but this time I'm asking if high definition also runs slower.

Or would both blu-ray and hddvd having 24 fps playback give them yet another thing to have in common and be yet another reason for why you should just get a combo player?!

EDIT: yea sorry for all that. I did some digging and I'm now almost totally positive it's exactly 24.000 frames per second for both hddvd and blu-ray. I stumbled upon a forum where people were talking about "cadence" which is something I've heard brought up around here before.