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Rudy Rucker's Ware tetralogy[1]. I've actually not read the 4th book, though (yet).

A fantastic tale, with lots of robots. And icecream trucks...

Rucker made the Ware books available free online under a Creative Commons license: http://www.rudyrucker.com/wares/#waresdownload if anyone wants to check them out.

Nice, I didn't know that!

You forgot to mention the sentient, shape-shifting, dildos. Seriously. The whole series is focused on them as characters.