Actually there are many other website that offer user the ability to upload their videos. Some offer even a better compression rate and quality than YouTube itself (like Vimeo). Check out some of the options:

http://vimeo.com/
http://metacafe.com/
http://brightcove.com/ (aimed at professional users)
http://flickr.com (they now support video upload)
http://video.google.com/
http://video.yahoo.com/
http://crackle.com/
http://tinypic.com/
http://dailymotion.com/