Situation: Our forums are: Community Server (used for 2007-2009), and vBulletin 4.x (used in 2010). Goal: Get them both into Xenforo. Q: Should I convert CS to vB 3.x or vB 4 ? Q: which xenforo Conversion works better: import vB 3.x or 4.x ? Q: Can you Import a vB 3.x to xenforo and then import a 4.x after that ? What's the best path here ? I am paying someone to get the CS into vBulletin format. Should I ask them for vB 3.x or 4.x ?