I commute to work by train for more than 7-years from Yokohama to Tokyo.
I see the cities view transition . It is very exciting to me.
Tokyo & Yokahama is now under wide-scale redevelopment.

See the following sites if you interested in landscape of Tokyo.

http://blogs.yahoo.co.jp/monakichisan
http://building-pc.cocolog-nifty.com/helicopter/
writen in Japanese only. Click & see.