For those not in the know, the ThinkPad is a famously rugged business laptop with the cool distinction of becoming the first such machine to serve astronauts in space. Built by IBM — a company no stranger to trailblazing — and featuring that recognizable red TrackPoint nub in the middle of the keyboard, the first ThinkPad reached orbit in 1993 aboard the Space Shuttle Endeavour. The first laptop in orbit was the ThinkPad 750C, introduced by IBM in 1993 for around $4,699. It had a 10.4-inch color TFT display, a 486 processor, and was positioned as a premium business laptop. After…