Boing boing just linked to a gallery of pics of the Nakagin Capsule Tower - Ginza, Tokyo - which was mentioned in that book I rambled on about a few weeks back (in a post titled "Boids").
I much prefer our Habitat '67 by Moshe Safdie.
(Of course, socio-cultural and space considerations are vastly different between the two...)
(CBC radio archive of an interview with people who lived in it. Originally broadcast Oct.25th, 1967)
Google search for Expo Habitat 67