You can register with OneSight to become a part of their panel and get paid to take out the surveys. They also pay you when you refer your friends to join their panel. Check it out.
Join and help shape the future through participation in online surveys held by The American Consumer Opinion. Not only they pay you for your opinion but also have a great referral program. Plus they have monthly prize drawing as well.
Once you become a member of Greenfield Online then you will be able to participate in any of their projects and take surveys. They automatically set up a free personal iGain account for you and any money you earn will be deposited into it.
At Consumer Views you can get cash or coupons for the products you use every day just for expressing your views. If you want to have fun and participate in a different program and get paid along with it then become member of Consumer Views.
TargetShop is a virtual consumer community. They will have online shopping section which will help you make smart purchases. You will be able to read product reviews and comparisons. They pay you to take their online survey and have a very generous referral program.

Focusline is an online consumer research service that conducts online interviews individually and with groups of people about a variety of consumer oriented topics. They typically pay between $25.00-$45.00 for your participation.