I think our greatest success has been in helping people who just moved to the city make friends and network with people of a similar background. Having moved from Chicago without knowing almost anyone 3 years ago, I know how challenging it can be.
I'm very proud of our house and we've made big steps from having to call every single person we knew to have a successful event, to the mentality: "if you plan it, they will come". Popularity and reputation is something that naturally spreads on it's own. Once you establish a presence and provide a positive experience, that experience will broadcast automatically and seamlessly without even your knowledge.