(Not good with quotes and such, so this is a general response)
I'm not doing the full natural transition thing, but I am on trib and some dude vitamins. The results are slower, but I kind of prefer it that way. Sharkweek gets shorter. I've been on for two months, and it's half the duration. Gained weight, lost inches. The trib is less than $30 at vitamin shoppe, which is where I get mine. So yeah, the results aren't drastic or anything, but it's a fairly cheap way to feel like your actually doing something while you're waiting to jump through the legal hoops. And as for voice, it seems to make it easier to access lower registers, but it does not lengthen the vocal cords terribly. And it it makes body hair a bit more noticeable. I think the only definite (visible) change I can name for myself so far is that my jaw is a lot sharper.
EDIT: It also makes your feet bigger and your scent change. If you add a little more (I was only taking trib, I added nettle root) sharkweek'll be banned from the programming.