I bought one. I typed one email with it. I put it back in the box.
Do not buy. Holy fuck, is it obnoxiously loud. Awesome looking keyboard, build quality is great, lighting is awesome.
Unusably loud. It's so loud, the guy across the street from you will call you if you're sending an email after 10PM and tell you to stop fucking typing.
One of my pet peeves is the sound of someone typing on a keyboard really fast. It's like fingernails on a chalkboard to me. So I imagine one of these would drive me to kill someone.