I tend to keep the Brooks a bit nose up, but you should be able to set it where it is comfortable for you.
If you get totally frustrated with seat adjustments, you might throw in the towel and get a Salsa seat post. Fore and aft adjustment is completely separate from tilt adjustment. Tilt is secured by two lock bolts, and actually adjusted by rotating a cam. I promise, it is a dream come true.
Some people are like a Slinky ... not really good for anything, but you still can't help but smile when you shove them down the stairs.