- Go shopping in the new Yodobashi Camera retail store in Akihabara. (Probably the greatest variety of electronic and electric products under one roof).
http://www.japan-guide.com/e/e3003.html

- Try out the latest "massage chairs" in the above store.

- Visit the Tokyo Technical Center of the TOTO toilet company:
http://www.com-et.com/ttc/facility-g...kyo/index.html

- Visit the Sony building in the Ginza:
http://www.sonybuilding.jp/e/index.html

- Visit the KDDI Designing Studio near Harajuku
http://www.kds.kddi.com/guide/floor_03.html

- Visit Odaiba and look at the weird buildings, such as the Fuji TV building
http://en.wikipedia.org/wiki/Odaiba

- Visit the Toyota "City Showcase" at Odaiba - ride around in their miniature electric vehicles and view the latest hybrid technology and concept cars:
http://www.megaweb.gr.jp/English/

- Go to Nagoya and visit Toyota factory:
http://www.japan-guide.com/e/e3308.html
(OK - so this is high tech but not "urban sophis" )


I know other people will have more suggestions...
Come to think of it - wasn't there a thread on this topic last year?