That’s how I ended up looking at mini PCs , possibly the least dramatic lane in personal computing. They’re small boxes that sit under a monitor and mind their business. Nobody looks at one and thinks, wow, the future finally arrived in matte black. Calling them boring almost feels unfair, because the plainness is doing actual work. A mini PC skips the built in screen, battery, keyboard, webcam, hinge, and thin metal shell that help make laptops expensive. It also avoids the full...