Here's an interesting quiz...
I don't know if it's good to post this, but here are my results...

Disorder	Rating
Paranoid:	Low
Schizoid:	Low
Schizotypal:	Low
Antisocial:	Low
Borderline:	Low
Histrionic:	Moderate
Narcissistic:	Low
Avoidant:	Moderate
Dependent:	Moderate
Obsessive-Compulsive:	Low
-- Personality Disorder Test - Take It! --

So, I guess I don't have any huge waving red flags or anything for personality disorders...yet.