I found this on another site, and it's basically the ultimate, most personal survey you may find. Very interesting filling it out, it's very thorough.
Are you a boy or a girl?
How old are you?
Are you straight, bi or gay?
Do you enjoy anal? If so, state how.
Do you enjoy bondage? If so, state how.
Do you enjoy spanking? If so, state how.
Do you enjoy being embarrassed or humiliated? If so, state how.
Have you ever had sex before? If so, how many times?
Most amount of sexual partners?
How often do you masturbate?
What do you usually masturbate to, and how?
How many pairs of underwear do you own?
What's your favorite style of underwear?
Are you wearing underwear, and if so what kind are you wearing right now?
Describe your dream partner.
For the ladies; what is your bra size. For the gentlemen, what's the size of your penis?
What is your favorite color?
What kind of lingerie do you own?
What kind of sexual toys do you have?
Longest orgasm you have ever had?
Kinkiest thing you've ever done in public?
Most humiliated you've ever felt?
Would you be willing to have sex with someone for money?
Would you have sex on camera?
Have you ever posted a naked picture of yourself on camera?
Would you be willing to be a master/mistress?
Have you ever wanted a master/mistress?
Ever worn the opposite gender's clothing?
Ever stolen anything?
Weirdest thing you find attractive?