It's hard to even compare these really. Vancouver did good besides some technical difficulty. Beijing was just epic though. It'll be hard to surpass the level of effort they put into it.
[ame="http://www.youtube.com/watch?v=8ItRrO6P1W4"]YouTube- Broadcast Yourself.[/ame]
That's only the intro
I just noticed that the announcers stopped talking for about 2mins when the drummers really started going at it. I bet they were in awe too, they usually always banter in the background.