Slick deals does not usually work like that, it's not a referal thing, it's just a legit website that has members who post up deals they find all over the net. SOMETIMES scam deals sneak in, BUT members catch them quick and they get squashed, 99% of the time you can rely on slickdeals! I have the frontpage bookmarked on most of my PCs, it has the best deals of the day listed...
Slickdeals: The Best Deals, Coupons & Discounts on Laptops, Computers, LCDs, TVs, Dell, HP, Apple, Amazon