+1 Neal Asher's Polity series is also good, but very similar. Not sure who wrote theirs first. For those who like old school cyberpunk short stories, try to find a copy of Mirrorshades.
Random scifi book: Mission Tori
Edit: One thing about Asher's Polity universe that I find very intriguing: AI's run governments (ie, benevolent dictators).
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