Comment Re: Diversity is good, especially in SciFi (Score 1, Informative) 368
Ian M. Banks' culture series doesn't include the specific items you mention, but he certainly does deal with the cultural as well technical differences of a far future. The Player of Games would be a good start:
http://en.wikipedia.org/wiki/T...
Elements include being able to change one's sex, glands to produce any number biologically useful/pleasurable substances at will, what do people do when they live in the embrace of a (mostly) benevolent AI that doesn't need them. And then there's a good story interwoven with it all.