Samsung Series 3 15.6-Inch Laptop, $499

An earlier version of the Samsung S series laptops (the NP350) did very well in our tests, earning 4 of 5 stars. Our test model had a 13-inch screen and an Intel Core i5 CPU--and it cost $750 at launch almost a year ago. A larger version of the Samsung Series S laptop, with a 15.6-inch laptop and a quad-core AMD CPU, normally sells for $520-$580 online. has the Samsung S NP305 on sale for only $499 these days, a great deal.

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