i find the grand philosophical volumes like Levinas' Totatility and Infinity or Heideggers Being and Time to be 'useful' in some way. They never attempt to 'capture' the experience itself though. its more of a 'pointing towards'. through making the highest possible abstractions of it, the language becomes instrumentalized, no longer descriptive, but mechanisms, metaprogramming, a tool carving out paths through the jungle to bring curious explorers to the very edge of the Abyss. the experience itself however just cannot be captured. words themselves are the lines, delineations, de-finings that aren't really there. as Heidegger says; "[in language] dasein walks the boundaries of the infinite". the philosophers try to overcome the limits of language through a technical vocabulary which speaks in the most unfathomable paradoxes and abstractions, in an attempt to transcend language through itself.
I generally found Heidegger's text utterly impenetrable -- likewise for most other German translations of, oh, pretty much everything (except Berkeley...)
[verbs at the end of sentences! whyyyyyy? (oh right, German.)]
I vaguely recall reading Levinas, but it's been years.
I generally had a very difficult time with most postmodern and contemporary philosophy, to be honest. Maybe I'll give 'em another shot......