Lenovo's 10th-generation Legion 9i has a novel wrinkle that complements its powerhouse specs. The 18-inch gaming laptop can be fitted with a 2D / 3D screen that switches between standard (flat) graphics and glasses-free 3D. It's available first in China and will come to the US "sometime this fall.” To be fair to Lenovo, that vague-ass window is about as much clarity as an overseas [...]