I just became hip to Ebates. I love it. I wish I knew about it when I first started my online holiday shopping! But I did manage to get a few purchases made through Ebates and already have a cash back balance building. The cool thing is they give you $5 just for signing up! And if you refer people, you get $5 for each on as well (that makes a qualifying purchase by a certain time).
It's really a cool thing especially if you are one that does most of their shopping online (as I do since I hate the mall and really shopping in general). Here is my referral link if you decided to sign up, at least go check it out. Happy shopping (and saving!)