+2
Maybe run a quick search in that case, using the actual search tool. My guess, there's going to be several Terminator themed topics floating all over here, under different sections. I'd do the search then scroll through the search results until seeing a current thread title that looks interesting. Read through it and if it's in line with what you're wanting to discuss, then post away.
It's kind of a slow process but I've found some neat conversations going on I might never have found otherwise. Too, you start seeing and recognizing other user names the more you read. That helps narrow down the people who seem to share similar ideas as you. Like, oh cool Joe-Whoever said EXACTLY what I'm thinking!! I need to see what else this kat is talking about... Then you see more names, more movie references, etc.
Anyway. Welcome aboard. There's a dedicated section around here to introduce yourself if you like. I'm not sure where it is. Maybe titled introductions? I'm really not sure though.