Mashable: 40 Sites to Party Like A Rock Star
Kristen Nicole about Mashable...
New Year’s Eve is only hours away for many readers, and unless you plan on sitting in your house watching the ball drop on television (or you could watch Radiohead drop an album), you may want to check out this short list of web-based tools for finding, planning and getting to a New Year’s Eve party.
“Just the Party, Please.”

Going.com - tells you where the event is, and who’s going
Socializr - see what party your friends will be attending
I’m There - local event information with nice mobile integration
Down2Night - shareable local venue directory so you and your friends can get it together
GoLark- Digg for events, for leveraging recommendations
CollegeTonight - an obvious focus on a partying demographic; will you be on campus for New Year’s Eve?
Metromix - this Chicago-based local guide to events & restaurants has gone nationwide just in time for the holidays
Socializer - still-in-beta local event search tool that does the same thing as Socializr