GenCon is a convention in Indianapolis that calls itself “the best four days in gaming”.  The convention center and several of the downtown hotels host hundreds of thousands of people and thousands of events round the clock from Thursday morning to Sunday afternoon.  There are scheduled game sessions for an huge selection of games.  There are tournaments for card games (al la Magic the Gathering)  There are board game events and miniatures games.  An entirely different area is set aside for role play game sessions.  Many of these sessions are pay-to-play.  You purchase tickets for $2 per ticket (these are …