@Lux Don't know if you are being sarcastic but I've never given anything more than contest details and a paypal e-mail?
When I won my first prize comp a few years back I was told they asked to include my personal info as well,so I did,maybe they require it now...oh and this is straight out of the faq:
I've won! How do I get my prize?
Congratulations! To get your prize you must send an email to PSC with your full contact details. Once received we will forward your information to the prize sponsor. Copy and paste the following in the contact form and fill it out.