If you’re a gamer who gets stressed easily whenever your team mates do not listen to your instructions and go ahead to get themselves killed, then the Stealth KYBX-400 keyboard would fit your personality well. After all, it was specially constructed to be tough, so banging the keyboard isn’t going to faze it at the end of the day. Features include a built-in optical trackball, being environmentally sealed to NEMA 4, 4X and IP65 specifications. The rugged vandal resistant stainless steel enclosure will hold 71 full-travel keys with silent tactile feedback, a 38mm optical trackball and NVIS-compliant red adjustable backlighting for easier key reference if you love working in pitch black darkness. At $695 a pop, this is definitely one of the more expensive keyboards you’ll ever purchase in this lifetime.