Depends on your goal. Chording technique is superior when typing words contained in the dictionary. Meaning that typing some rarely used word required typing it multiple times to "confirm". Writing code does not suite well for this, since coding with completion contains much more punctuation than plain text. Instead, check out ergonomic mechanical keyboards: low-profile, split, with columnar stagger, preferrably with…
Non-qwerty seems to me to be one of the biggest wastes of time we’ve come up with in search of productivity. The time spent learning it could be spent learning vi, learning Haskell, learning to shoot hoops or learning the guitar. Pretty much all of those would benefit you more.