Check out this page for details:

http://www.ugcs.caltech.edu/~anthem/celsirc/

Or Click Here

it's a lot of fun ^_^ and there are a lot of 
great people who visit and chat. It's especially 
nice at 5 am when there's someone else to talk to 
while you are waiting for the auction you are 
bidding on to end :)

Misa