Blank keys helped me to (touch) type more efficiently, I was already able but I did find myself often looking at the keyboard anyway so I fancied buying a Das K

Blank keys helped me to (touch) type more efficiently, I was already able but I did find myself often looking at the keyboard anyway so I fancied buying a Das Keyboard Ultimate (also partly for the geek factor). I now use a variety of keyboards but often opt for 60% keyboards as I am more concerned with ergonomics than I am touch typing. I _would_ go for a true ergonomic keyboard like an Ergodox or Dactyl but they aren't very compatible with my mobile working and it would be a real pain everytime I hopped onto a colleagues keyboard or similar (or expected colleagues to use mine). One thing I am keen to try out and that the OP might want to consider is Ortholinear keyboards. That diagram color coding the keys for fingers is a perfect demonstration of why non-linear keyboards are not best suited for our hands.