Best 13-inch laptopsUpdated: The impeccable Samsung Notebook 9 has won top marks and is officially on our list of best 13-inch laptops, read on to see why. In many ways, a 13-inch laptop is the perfect size for a portable PC; they're not as fiddly and squint-inducing as netbooks, but not as heavy and awkward as a full-on notebook.And, there are plenty...