wei wei popped me a personality quiz over MSN, I decide to do it, and the result surprised me:

Introverted (I) 53.13% Extroverted (E) 46.88%
Intuitive (N) 53.13% Sensing (S) 46.88%
Feeling (F) 58.06% Thinking (T) 41.94%
Judging (J) 60.71% Perceiving (P) 39.29%

INFJ - "Author". Strong drive and enjoyment to help others. Complex personality. 1.5% of total population.

Free Jung Personality Test (similar to Myers-Briggs/MBTI)

http://www.personalitypage.com/INFJ.html