They all appear a bit advanced for our current desired tech level, I'll have to say. The one closest to working would indeed be character one, with them bearing close resemblance to our resident info broker Nina in the fact that both have had to replace parts of their body due to injury. I figure he could be some sort of a megacorporation goon actually: "Yeah, we'll refit you with some low-end cybernetics that'll keep you alive, you'll just owe every extended second to us." Do you think that might have something in it?