I like the respirator alot Asylum. Definitely cool. I've been thinking about the deco on you helmet and the skull and trying to come up with a representation of what I visualize for your helmet and here's a rough sketch:
Please excuse the old helmet pic, that was what I initially was working from.
Maybe it'll help. But either way I know it's going to rock. Yours is one of the most inventive customs I've seen. Keep it up!