While I see the charm in organising an event with x00 'expert' FTers in one room, hallway or bar, my experience shows smaller events like this fridays
MUC Stammtisch, the London bmi drinkies or the Washington area drink evenings are far more effective to bond and exchange tips/tricks/deals. When 100 or more are involved you tend to interact like you are speed dating, with 2-3 minutes per participant, or rather you get stuck talking to a chatty drunk FTer and all the while feel like you are missing out on networking with a dozen or so others...