Lenovo makes some of the best laptops in the world, but it also has a few clunkers that hold the brand back. The company’s ThinkPads remain the best business laptops in the industry, while its premium Yogas are fantastic, bend-back 2-in-1s. However, in 2015, we reviewed a couple of mediocre budget systems, along with the ambitious but fatally flawed LaVie Z, which weighed a wonderfully light 1.8 pounds but had an awful keyboard.