The Samsung Series 7 (NP700Z5A-S03) laptop combines an elegantly slim aluminum case with slot-loading DVD±RW drive; sunny 15.6-inch screen and backlit keyboard; quad-core Intel Core i7 power; 8GB of RAM; and a roomy 750GB hard drive yoked to a small solid-state drive or 8GB of cache storage to boost boot and application loading timesall in a package about as light as desktop replacements get, 5.2 pounds.