If you liked Lenovo's X250 laptop, you'll love its newer X260 model. All the best things about the X250 are back in Lenovo's X260, including the crazy long battery life that can, in some cases, get users through a full day of work with charge to spare. As you'd expect, though, these two models aren't entirely alike, and those who pick up the X260 are getting a newer beast. Is it worth the upgrade? Read our review to find out!