Personality

TypeLogic

Keirsey

Wikipedia on Myers-Briggs

Great Articles (click the links)

Positive Psychology

The Science of Happiness

Happiness Inc.

Other Stuff
The Power of the Unconscious Mind

The Science of Romance

The Science of Appetite

Great Lectures (click the links)

Happiness - Dan Gilbert

Our Mistaken Expectations - Dan Gilbert

The Paradox of Choice - Barry Schwartz

Social Psychology on Overconformity and Evil - Philip Zimbardo

Radical Honesty - Brad Blanton

Diffusion of Responsibility

Bystander Effect

Persuasion- The Embedded Command The Riddle of Experience Vs. Memory - Daniel Kahneman