Ugh, sorry guys, I've been sick and out of it..let me see if I can cover it all here...my iPad is about to die and every time I try and tab over to reread posts it deletes what I am typing, if I miss anything I'm sorry.
You don't get your Unnatural Toughness & Strength simply because you aren't in power armor at the moment.
I will occasionally ask you for specific Checks, other times I will note them as Open, meaning it up to you to decide what, if any, Checks you want to make.
Ollum- once you go through your "special" intro, you go about the same regime as everyone else. I'll PM you, but basically you are free to write up any RP interactions you want to NPCs and do your combat-ish thing before pausing for your First Oath.
And you wouldn't fight any xeno psyker. So other than no psyker no named hero, no monstrous creature...up to you.
Arsefacetheugly might be late on his post. He is in the middle of moving, I'll see what we can get out of him tomorrow.
Posts look good so far, I haven't finished reading them yet, but I will soon.