like this one for example.
The above .mov file is like a play list with links to various versions of the video that are intended for different types of device.
You can simply open the file in in a text editor (such as Notepad) and copy & paste the file names to get directly to the desired file.
Here are the filenames from the .mov play list:
Simply append them to the original URL (e.g. http://movies.apple.com/media/us/ipad/2010/tours/apple-ipad-guidedtour-playall-us-20100329_848x480.mov)