We are just getting closer to the black Friday. And there seems to be many companies giving the discount. And that means we have to check for which company to go for. I also see a lot of rebates and the discount websites out there. And I am not sure which discount website to go for. As there seems to be no comparison among them. So I have option between the ebates and the grabon or Groupon. Which sites are good for the black friday rebates and purchases?