Ion 2007 was a free for all.
Was very expensive and although i did have fun thought it was a once in a lifetime event to be honest.
To much cheating. To many people shooting HOT. Not enough refs for this size of an event. The fields we were playing on seemed like a yard with the number of people we had playing.
Go if you have never been to this event, it is an experience...a painfull one if your a dagger type player of someone who like to get into the battle close.