Are Paid Survey Sites Worth It?

Have you ever made any money doing paid surveys? Have you been burned in the past? Please write your experience and what you think about them as well as what companies you have used and whatever else you would like to talk about.

Here is one popular paid surveys company that gives you a $5 bonus for signing up and pays with Paypal:

http://www.capitalflea.com/recmnd/paidsurveypst.php

Note: you do not need to include any links this is just for your reference:

<a href="http://www.capitalflea.com/recmnd/paidsurveypst.php" rel="nofollow">$5 Signup Bonus Get Paid by PayPal to take Surveys Online</a>