Quote - (bit dissapointed about the quality degredation on You-Tube)

Try this URL Instead.

http://www.youtube.com/watch?v=hCtF2d926gg&fmt=18

Long story short YouTube is making Higher Resolution versions of uploaded videos.. but has not publicly made the announcement yet.

To see if a video has been converted to Higher Resolution try  "&fmt=18" or "&fmt=6" and the end of the normal YouTube Video URL.