Dreamhack Winter 2004 will be the biggest LAN party in the world with 6500 attendees. It will be held at Elmia in Jönköping, Sweden from the 25th to 28th of November.
VIP tickets have already been released and will be available for purchase for another day, the "usual" tickets will come on sale the 30th this month 00:00 Swedish time (GMT+1) last year the tickets sold out in 11 hours so if you want to get one be prepared for the ticket release...
I will be attending Dreamhack this year, I was there two years ago, I did not go there last year because I went to Birdie instead.