the Ableton Electronic Lounge,@ Intersoup, on Stargarderstr, Prenzelauerberg, Berlin.
Here are some links:
http://www.residentadvisor.net/event.aspx?125917
http://www.myspace.com/youreonlymassive
http://www.youtube.com/watch?v=KQd5XH8gtq4

Entry is Free, the Soup is incredible, and it all kicks off around 1900.