Ahhh you are exactly right. It's not an add on I'm missing, I'm missing Arma2 BAF and PMC for most of these it looks like. Ok, well I've got a new goal then. :)
Lonestar: Thanks, I'm sure I'll be needing it!
So I'm guessing there are clans and such here? They worth getting into? I'm interested in that even though I've no involved myself in such things in many years now.