Some other awe-inspiring webdesigns:
http://www.nytimes.com/
http://www.graphic-exchange.com/
http://www.muxtape.com
Maybe not "awe-inspiring" but some of the best and most functional for their use that I've come across.
Now let's all imagine facebook in black instead of the hideous blue *sighs*
edit: 31three was AAAMAZIIIING!!!! One of the best "professional" websites I've seen. THIS is the upside of web 2.0
