PanelPolls: A Fun Survey Site Focused On Families.

http://community.panelpolls.com/registration

panelpolls is a great site that is geared towards families. even children ages 2-17 can join the site!
you can redeem in increments of $10 and can choose amazon or a mailed check.
if you live in NY or LA you also may be invited to high paying in-person projects as well! i just signed on about 3 months ago and haven't been invited to any special projects or focus groups yet--just basic surveys but i have heard they offer lots of good stuff so be sure to check them out!

from the site:

Panelpolls: The cool opinion site

Who?

• Families (moms, dads and kids--participate with parent)
• Teens

What?

• Check-out new TV shows, Movies, Online Games, Websites, and More. (Bonus payments can be $5.00-$10.00 each!)
• Online Communities (Bonus payments can be $15.00-every month!) 
• Mobile Apps & Games Beta Tester Program (Bonus payments can be $10.00—every month!) 
• Online Focus Groups (Bonus payments can be $55.00!) 
• In-home Ethnography (Bonus payments can be $55.00!) 
• NYC & LA residents: may participate in in-person focus groups. (Bonus payments can be $100.00 or more!)

they do like to keep the panel small so you may not get in right away, depending on their current needs. here is the link to register: http://community.panelpolls.com/registration