Too late Videos have now been set to private.
A comment from JeuxOnline.info, the original uploader:
So that would be 6 hours from the time of this original post if you round up to the hour.You going too fast when you see new stuff guys.
I'm the author of these video, and you were not suppose to see these videos untill 19:00 GMT (embargo ends for this stuff for us) Just need to put vids on "unlisted" to upload on our website. Some people has arrived to access to the link during this time. There are now "private" but please, don't upload some recording for now. They will be available in few hours ! Thx
Edit: Original videos are working again
There is also an hour of gameplay footage from Gamespot with dev commentary: