Worked on this today until my head felt like it was going to explode. I didn't blend everything together as well as a few others I've done, but I strangely happy with how it looks.
On the terminators, they were kind of in odd places because of the glass. I have a separate pic showing where I think they are. That's assuming I understand what you mean (I think I do, it's just the area(s) that get neither reflected nor direct light).