Yes, but the Kinesis Advantage 360 is the best keyboard ever in the history of the universe https://kinesis-ergo.com/keyboards/advantage360/

I’ll need to check a few review videos. Looks like it’s build like a tank!

Re: Keyboard productivity... I did a whole talk on the subject. I'm really proud of it: https://egghead.io/lessons/egghead-save-your-hands-and-save-your-time-rethinking-how-to-use-a-keyboard