I received an anonymous tip from, go-figure, anonymous. That if you add "&fmt=18" to the end of any youtube url and it's supposed to play in High-Def. I'm at work right now and my laptop can't handle streaming, but the quality certainly looks a lot better. If anyone wants to confirm for me that'd be great.
So
derp http://www.youtube.com/watch?v=353uPtu87o4
would be
http://www.youtube.com/watch?v=353uPtu87o4&fmt=18
for high-def. I wasn't given an explanation as to how/why this drastically changes it. I think it might be a setting only available to corporate/ad sponsors?