I saw those links yesterday afternoon soon after they went up. Having 2Mbps cable, I decided to go for the big daddy at 270MB. The download started fine but for some reason it stopped at 187 MB, and IE told me it was a complete download. I tried to play the movie and it played 2 seconds of nothing, but yet was taking up 187MB on my hard drive.
I tried to download the movie again and it gave me an error a few times, but then started downloading. This time it got to about 130MB when I noticed the download had stopped, saying it was a complete file. When I tried to open it it opened in QT6 again, but the window was full of garbled text.
Then after these two attempts (by this time over an hour had passed), I was not able to get the thing to even start downloading again. I've got the file saved in my download manager, and when I click "reload" it gives me the error message: "Error
HTTP error. The resource is not found."
Guess I should have went for the mid-sized 96MB file and at least I would have a keynote to watch. You can watch it any time on Apple's site, but it is streaming, and you can't save a QT stream.
http://www.apple.com/quicktime/qtv/mwny02/