Hey Mark,
Looks like some fun stuff arrived!
As for the hydroboost, we use teflon-lined stainless hoses, usually supplied by Hydratech. They have hose kits and all the ends and fittings to make your install clean and bulletproof.
See 'em here:
http://www.hydratechbraking.com/hose_fittings.htmlAs for turning them black, we wrap the stainless hose with seamed TechFlex, it's the only way to turn stainless black safely. The trick is to use some heat shrink on the ends to secure it to the fittings.
TechFlex Flexo:
http://www.techflex.com/prod_F6N.aspLet me know if you need pics of an install, we have some we can post.
Looking forward to the next steps!