Wiki-Anahata - A wiki page with key definitions.

Chakra-Test - A brief questionnaire that gives you a vague idea of how active you major chacras are, followed by a short description of what each chakra is associated with.

The Illuminated Chakras (VIDEO) - A stunningly beautiful and educative animation by Anodea Judith abouth the 7 chakras and their functions.

How to Meditate - Some basic info about Buudhist meditation techniques.

Wiki-Meditation - An article about different meditations around the world - good intro.