...is awesome! I can't wait to see what they'll animate to go along with this. Anyway, the word I strained my ears trying to hear over Lelouch's voice was "nagareboshi." I can see why people were saying the ED was upbeat. I think I'll like it more in time. The OP is kind of ominous though, since part of one of the lyrics (that I can make out due to background noise) is "Even if the world rots away..." I wish I could make out what the lyric was before the chorus kicks in though...

Here's the OP and ED from the screenings:

http://www.sendspace.com/file/30eadp
http://www.sendspace.com/file/6m76op

All thanks and credit goes to Pink-chan on AnimeSuki for ripping the file :D