counting scores of fora (forii
If we're talking about multiples of this forum, or other like it, it would be fora.
I did a quick look into fori, and discovered it would mean multiple ship's gangways - which is probably not what you meant.
Hyla
p.s. - I think I must never go away again - gone a week and there's 650 new posts!
Sadly, I'll be gone next week too, and face another daunting round of catching up