It's funny how all the videos I posted are always considered extreme, or most extreme ever.
The philips logo (beginning of the clip) clearly shows that it had been used before to promote their panels. It was in the middle of other clips from other brands that I just found after a few minutes search on internet.
And sorry, I have no TV connection to look at some standard crappy sources ! (take that as a joke :p)
I wish I knew what Philips has been using in expositions like CES2012.
Just to correct : Urban acrobat is 48fps (not 24fps as stated by eikka)
I also posted that link
hd_other_samsung_led_motion.m2ts (80MB) which was also with artifacts at 60fps which is weird. Also some flickering (flying guys) or artifacts.