(Forgive if this has been posted/answered elsewhere) Kier/Mike, I'm just wondering how did you came up with the name xenForo? I actually like it and I'm guessing that it's a combination of two words?
Xen- as a prefix means foreign or different.
Foro is Spanish/Italian for forum.
It also kind of sounds like "different 4" as XenForo was what vBulletin 4 was supposed to be if the team had been allowed to rewrite the software from scratch.