I don't know if any one here will be able to go to it. Its a BYOPC (bring-your-own-computer) lan party. They have Quake competitions and hardware and software venders show off there new games and hardware. There are also many other competitions and giveaways. Yeah and its free.
Quote from: http://en.wikipedia.org/wiki/QuakeCon
QuakeCon is a bring-your-own-computer (BYOC) computer gaming event with a competitive tournament held every year in Dallas, Texas, USA. The event, which is named after id Software's game Quake, sees thousands of gamers from all over the world attend every year to celebrate the company's gaming dynasty. It is North America's largest LAN party, the largest free LAN party in the world, and usually runs over a period of four days.
Link to site
http://www.quakecon.org/