I'm running a very active vB 3.8.x forum (Theads: 1,234,270, Posts: 18,691,123, Members: 277,754 and 2.8-3.0 Tb of bandwidth each month) that also has a thriving Facebook community. I need to upgrade to something, vB4 or Xenforo, because vB 3.8.x is beyond long in the tooth.
I'd like to be able...