I built a Dactyl style keyboard with a trackball on one side. It's split, ortholinear, and also "scooped". To be honest it took me a while to adjust but it was

I built a Dactyl style keyboard with a trackball on one side. It's split, ortholinear, and also "scooped". To be honest it took me a while to adjust but it was worth it. Switching back to the laptop keyboard is almost entirely a non issue—that muscle memory runs deep. While I was at it I also tried learning Colmak but didn't stick with it. This flip layout seems worth a try for the low learning overhead.