I like to think I'm a fairly progressive guy, but trannies creep me out.
I've found it's much simpler in other genres. Written, drawn, CGI, all pretty simple. But the real world physics of it don't always make for an appealing image. To me. I'm sure there's folks out there who are all over that.
I think that playing with a pore star would actually be just the same as playing with anybody else except you'd have seen them having sex with somebody. Depending on your group make up that might not be an unusual situation.