Favorites:

BEST Slave Training
This site is, quite simply, the best training site on the net.

Educational:
BDSM Online
Castle Realm
Deviant's Dictionary
The Iron Rose

Friend's Sites:
Path of Seeking Spiritual/Pagan Paths with some BDSM

BDSM related Groups:and Referance Sites
BDSM Events Page
Folsom Street Faire
Lair de Sade
Leatherdog.com
Safe Call Network

How To's:
Frugal Domme

Stores:
The Eros Boutique
Liquid Glam <Latex>
The Pleasure Chest
Versatile Fashions