Here are a few more sites for inspiration. I selected these becasue they all have something unique about the mode of interaction or the structure of the site.
http://lostworldsfairs.com/atlantis/
http://benthebodyguard.com/
http://www.panic.com/coda/
http://www.grouprecipes.com/
http://downtothewire.co.nz/ppp-2010/
http://instaprint.me/gallery/instaprint/
http://www.cohenspire.com/portfolio
http://www.thebooksmusic.com/
http://www.nintendo.com.au/gamesites/mariokartwii/
http://www.fucking-windows.com/