This 10-inch mini-notebook has good computing punch and impressive endurance. In order to achieve their diminutive size, weight, and price, most mini-notebooks come with compromises: the screen or keyboard is too small, the processor is too slow, or the battery life is too short. That’s why the MSI Wind NB is breath of fresh air. This 2.6-pound system boasts a relatively large 10-inch screen and a full-size keyboard and Intel’s zippy new 1.6-GHz Atom processor (overclockable with a touch of a button). Plus, the MSI Wind NB lasts more than 5 hours on a charge. At $499, no other mini-notebook...