That's excellent!
I've been doing some research into making this a success. We'll want a few games running concurrently, Team Fortress 2 still seems to be popular as a shooter, we should find some other genre games, too. Strategy, Racing, and the like.
A minecraft server could be semi popular.
We could keep tournament stats up, and even live views in to games with a projector. There is already some decent looking LAN management software that exists.
The con is providing the space and power. Hopefully this includes tables and chairs as well. We should have an area roped off with only one way in/out - unfortunately some people in the world have sticky fingers.
We might want a photographer, if there isn't one already present from the con.
Anything I'm missing?