SwagBucks is easily the best search and win site I've used. The goal is to win "Swag Bucks" by searching the web using their search engine (powered by google). They also give away codes for free swagbucks on their Facebook & Twitter pages, as well as their blog and newsletter (the codes go fast so you do have to be quick).
Once you have earned enough Swag Bucks you can redeem them for prizes. The site is fun, free, legit and has a great reputation.
-If you sign-up through the banner link provided, when you win I win as well, so I'd appreciate anybody signing-up. Once you see how great the site is, you can refer people which makes it easier to earn enough to redeem for the prizes you want.____________________________________________
You can also search with specific sites dedicated to musicians, sports teams and more. There is merchandise available that you can redeem with Swag Bucks.
-Search and win with Beyonce!
-SwagBucks has Star Wars collectibles available as prizes!
-SwagBucks has Sports Cards available as prizes!
-Search and win with Hinder!
-Search and win with DC50 (Washington DC CW affiliate) There are prizes for 90210 and Supernatural available, and much more.
-Search and win with the NO Saints!
-Search and win with WGN America!
-Lots of KISS-related merchandise, including autographs!
Search and win with Snoop Dogg!
Search and win with Korn!
Search and win with Kanye West!
Search and win with Hilary Duff! 
Search and win with Fox59 (a Fox television affiliate) and earn merchandise from The Simpsons, Family Guy, 24 and more!
Search and win with the Colts!
Search and win with the Darkness!
Search and win with Staind!
Search and win with Lil Wayne!
Search and win with Pantera!
Search and win with E. Iglesias!
You could earn MMA merchandise!
Search and win with B. Manilow!
Search and win with Sum41!
Search and win with Maroon5!
Search and win with Matchbox20!
