New York Aikikai http://nyaikikai.com/
Affiliated with Yamada Sensei, and the United States Aikido
Afiliated with Hombu Dojo in Japan.
A great deal of aikido information to browse through.
A Book of Five Rings http://www.samurai.com/5rings/
Written by Japan’s legendary swordsman. A worthwhile book to read
The Aikido FAQ http://www.aikidofaq.com/
This site has a lot of basic and other information. Video clips,
Body, Mind, and Modem http://www.bodymindandmodem.com
You’ll need Shockwave to view this. (There’s even
a neat samurai game… check this one out)