i agree completely.  "ambient" has sort of mutated from what Eno originally envisioned...as "atmospheric" music/sounds, to a genre of dance music.  not at all, in my opinion, for journeys with the molecule.

Steve Roach is one of the pioneers - a fave of mine as well.  might i suggest his triad of releases, "Quiet Music - 1, 2 and 3"  beautiful, transformative and epic.

peace