I remember trying to read The Condition of Muzak when I was about twelve, and having to give up. I think I'd recently read the Oswald Bastable trilogy (shortly after reading E. Nesbit's original Bastable books, which must have been a bizarre experience), and enjoyed them as the boy's own adventure stories they were pastiching / piss-taking.

I didn't really "get" Moorcock till much more recently, when I acquired The Final Programme and A Cure for Cancer and discovered that both are fab. I also read the Dancers at the End of Time trilogy for the first time a year ago, and that was so fantastic (and so in tune with various of my SF obsessions) that I couldn't believe I hadn't read it before. Hurrah for Moorcock.