Update: I got it. Once in a lifetime things are desperately my kind of thing, I guess...
(Tracks 7-8 off of Ghost 1 are a new inspiration to me for a film project.)
I love music which is perceived to be 'dark' (Massive Attack's 'Mezzannine' album, for instance), but I could never quite fully get on board with NIN's one-note industrial dirge. However, I'm also an instrumental fan, and minus Reznor's limited vocals, the free 'Ghosts' tracks deliver in terms of atmospherics.