Anandtech published The Ultimate Hacking Keyboard Review: A Truly Unique, Truly Expensive Keyboard for Pros A quote from the article:

Today we are having a look at the Ultimate Hacking Keyboard, the most overconfident and expensive mechanical keyboard that has ever found its way into our labs. Developed with IT professionals in mind, the keyboard is designed to maximize productivity and ease a tough workday, utilizing a rather unique 60% layout that can even be split in two. Coupled with the manufactuers excellent software, its an incredibly powerful keyboard. But be warned: the price tag for that power is even higher.

  The Ultimate Hacking Keyboard Review: A Truly Unique, Truly Expensive Keyboard for Pros