Thanks for the comments. I would love to experiment with all sorts of papers, developers and toners if they were on my shelf. However, I really need to get in the general area for money reasons. I hate trying to use examples on the internet because the darn screens....
I was reading about moersch mt3 toner. It has variations out to dark brown. I'm wondering how that would work out. Has anyone used it? It sounds like the amount of bleaching can also give flexibility.
#8 is pretty cool http://www.moersch-photochemie.de/content/galerie/mt3/8