I switched to a split keyboard last year (Kinesis Freestyle2). While it's definitely better than a flat keyboard, it's still incredibly awkward to execute some basic combos with one hand. Chief example: Cmd + T.
I'm still waiting for someone to mass-produce the http://ergodox.org/ - here you can press all the modifier keys with your thumbs!
I'm still waiting for someone to mass-produce the http://ergodox.org/ - here you can press all the modifier keys with your thumbs!