Links to some great
Sumo pages on the Web:

Nihon Sumo Kyokai Official Grand Sumo Home Page
Sumo Reference - Doitsuyama's Sumo Database
Sumo Forum (English)
The Japan Times - Sumo news
CIBERSUMO
SUMOTALK
TACHIAI
Moti Dichne's (Kintamayama's) Sumo and "The Sixties" band
Szumo.hu - Bandey's Sumo Page
Wikipedia - Sumo
Dosukoi - Le site franšais du Sumo (French)
Ken Coller's Sumo Now!
Joe Petrow's Quick Sumo Chat
Sumo Web Ring (sadly now almost defunct)
Sumo on Youtube:
 Sumo Games on the Web:
The Best Online Sumo Games
Bench Sumo
Totoro's Hoshitori
"Guess the Banzuke" game
GISP
Stefan Schauwecker's Sumo Game
Shiyonofuji's Upside Down Hoshitori
Sumotalk.com's Fantasy Sumo Site
Kojamuri's Odd Sumo
Das gro▀e deutsche SUMOTIPSPIEL
Sekitori-Oracle
Virtual Sumo