Good topic!
Some additional good "Utopian"/Proto-Cyberpunk novels I read:
Richard Adams - Watership Down
Aldous Huxley - Brave New World Revisited
Kurt Vonnegut - Cat's Cradle
John Brunner - The Sheep Look Up / The Shockwave Rider
Suzy McKee Charnas - Walk to the End of the World / The Furies
Thomas Disch - Camp Concentration
Margaret Atwood - The Handmaid's Tale
Yevgeny Zamyatin - We
Btw, check
Students for an Orwellian Society to see how close to 1984 this world really is.