I'll try that, thanks Dan.

It's true that it's amazing that Youtube works so well, but that's the problem: you can't go backwards I was very happy the first couple years I lived here and had my super fast Fios, when I could just play video after video in 1080p with no issues...

*edit*
I just ran Google's speed test (I've been running other speed tests), and one suspicion I've had is becoming aparent: I think my connection is extremely erratic. Check out the attached result.