This is a great site especially for those of you that like to save for christmas or treats for yourself, you complete offers, watch videos , do crowdflower tasks etc and receive points which you covert to vouchers.
They are loads to choose from depending on which country you live in
instaGC.com was created in February 2011 and is the top rewards site that offers instant gift cards to its members. Over 100 different options are available (example of a few -> Amazon, eBay, League of Legends, Pizza Hut, Target, Walmart) that you can redeem your points for. Tons of easy offers available with new ones added daily. There are daily, weekly, and monthly offer and referral contests as well.
Join up have a look and see and earn for yourself
http://www.instagc.com/419255