here is the link of the PDF :

http://www.megaupload.com/?d=SRN9HFWH

Do not hesitate to leave me your opinions.

I do not doubt that several things are to be improved.

"The flesh is weak"

Well a few things. I am not sure the negatives go well with that of the chapter, and they are without significant in game consequences or direct negatives. A good example of solid negatives is to look at the space wolfs.

The second thing is you have no psychic powers associated. I'd suggest some fire / machine spirit based powers.