The one mechanical keyboard feature I can’t live without

I’m a mechanical keyboard nut. You might have guessed that, given how I do most of the keyboard reviews around here, how I built a custom one-handed keyboard, or spent hours traveling to New York City just to hang out with my fellow addicts. So my coworkers and friends who are slightly less obsessive sometimes ask me: What’s the most important feature for a keyboard?

That’s a subjective question, of course. For a gamer it’s probably how fast the keyboard communicates with a PC. For artsy...