heyas; well, i use a doc size that fits my workspace, as large as i can make it, by shoving other stuff out of the way. the actual vertical or horizontal and proportional stuff comes after i'm done posing, and i'm into framing the scene. i use the isometric cameras, mostly, for posing. for rendering, i use the main or face cams, and what angle depends again on the composition i want. i use ik OFF by default. i only ever turn it on when i get a foot or hand in a position where i want it, and then decide i want to fiddle around with the torso or arm/leg positioning. with ik, i can "glue" the hand/foot into place while i do that.