Nonduality magazine - new online magazine by John LeKay on self-realization, awakening, consciousness, and related subjects (vol 1 contents)
Conscious TV - Consciousness, Healing, Psychology, video interveiws, includes many interviews about Adviata and non-duality, as well as other subjects. Interviewees tend to be of varying quality
Nonduality Salon - the original nonduality website
The Wanderling - Zen Buddhist site, includes material on true and false spiritual teachers, nonduality, etc
Sarlo's Guru Rating Service - Advaita and Unranked Nondualists - Sarlo's list of gurus that have a nonduality or nonduality-based teaching. Gurus are obviously of very different quality! Sarlo's ratings should not be taken too seriously, but the links he provides are very useful.
Nondualism - Wikipedia page, for what it's worth
images not loading? | error messages? | broken links? | suggestions? | criticism?