What an incredible concept...  MIT, which can cost $40K annually, is giving away their content...  whazzup with that?  It's a great story.  CNN has picked it up, and produced a story about it. 
Check out the streaming video file of the CNN program on the MIT OCW Web site. These videos are in Real Player format at speeds of (220K) (80K) (56K). The videos are also highlighted on the MIT OCW homepage, and on the MIT OCW Media Coverage page.
 
Look at the sheer volume of courses and pages and mixed media types and binary files that are part of this site.  It's not one of the largest content based sites onthe web, but it is a fun and creative one that is also extremely usable.  And, it's powered by Microsoft Content Management Server 2002...