Long-time Tokyo resident Donald Richie has written an excellent book on Tokyo; containing many pearls of wisdom, such as: "Shinjuku at night is New Year's eve anywhere else."

Tokyo is cris-crossed by a sprawling network of subway and rail stations.

Neighborhoods:

Roppongi

Cheap love, fast foreigners, bad vibes.

Akihabara

The world capital of consumer electronics.

Uguisudani

An old Tokyo town of Love Hotels.

Shitamachi

Shitamachi is old Tokyo, a broad part of eastern Tokyo.

Attractions:

Hanami

Watching cherry blossom trees bloom with friends

Tsukiji

More sea creatures for sale in a single place

Yasukuni Jinjya

Controversial Shinto shrine to honor Japanese war dead

Tokyo Links (October 2001)

Sponsored by Nokia, TokyoQ takes a broad look at culture and goings-on around Tokyo.
Sponsored by Casio, Tokyo Watch gives a good overview of a few of the high profile neighborhoods in this town.
Tome Out: Tokyo has good culture listings and background information.
RealTokyo in English and Japanese, keeps up with state of the art culture.

Just In Tokyo (2002)

In 2002 I put together a guidebook to this city Just In Tokyo - now available as a free PDF on the web.