I think that anthropomorphism does have a place, but it's more when you're talking contrast rather than trying to humanize a creature.

Good list. I'll throw in my personal favorite, which is both a utopia or a dystopia, depending on how one wants to view it:

New Plymouth, Idaho. Because old Plymouth with that puny rock sucked.

How about the SeaSteaders?

Soul City, USA?

Wasn't there a utopian edge to Paolo Soleri's Arcosanti too.

On the flip side, here's a city design that might as well be the future.

Not on the same scale - but a bizarre little town that I would drive through each day on my daily commute until I learned its history.

I would also suggest my old home town, Zion, IL.

Seward's Success reminds me of Robert Silverberg's novel The World Inside, a scathing indictment of the idea of hermetic human environments.

How about Auroville, in India? It was intended to house 50,000 people but still (nearly 50 years later) only has a population around 2,200.

No mention of Arcosanti?

http://en.wikipedia.org/wiki/Arcosanti

The Octagon City plans look so much like the Dharma Initiative logo, I wonder if the creators of Lost had seen those plans and used it for the logo. Or I could just be reading too much into it.

I was JUST telling my best friend that I need to invent an undiving suit for a pet octopus!

(inspired by Scott who was inspired by me who was inspired by one of the derpiest fishes in the sea)