Globally HDTV is a standard. My TV is 100hz for PAL and 120hz for 24/60 sources. Its only SDTV's that require a speed up.
I am not even sure if Blu-ray movies can be played in SD because I have not tried.
I think what the OP is saying is that telecine judder is more common on 24/60 sources, which PAL users hadn't seen in the past. This is because as you say, movie content runs at 24 frames, PAL is 50hz/2 interlaced passes = 25fps. What PAL pressing plants did was speed up the film and sound so 25 frames would pass each second. This would affect run times of movies, as the PAL version would end up being 3 minutes shorter (on average) and the audio would be ever so slightly higher pitched. It also, as the OP is saying, eliminates telecine judder slightly.
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