Consider Island, also by Aldous Huxley, an alternative future-vision that Huxley called “the possibility of sanity.” It is interesting to examine the ways in which the two civilizations overlap, suggesting that Huxley viewed certain aspects of the World State as positive if utilized slightly differently.
Consider A Clockwork Orange, by Anthony Burgess, another text that examines the ethical issues involved in using conditioning to control someone's behavior.
Consider The Machine Stops, by E.M. Forster, a dystopian critique of academia with a distaste for technology.
Consider The Giver by Lois Lowry, a dystopian fiction that addresses the elimination of aesthetic beauty, passionate emotion,...
