Alright, so over the last few days I've finished UVing it all.
As it stands now it'll probably be 3 textures total, one for the body, one for the details, and one for the turrets, which I may or may not make more of.
As for the triangle counts, I'm looking at about 6000-6500 maybe more, maybe less, but I won't know for sure until I put it all back together, which comes after me finding a skinner to skin this.
Some of the detail geometry will need to be duplicated, some a lot more than once, so that's what's going to inflate it higher than the 5200 it's at now.