I'm curious how useful this ends up being. Once you're well above qwerty speed, please let us know whether it increases writing speed as well as typing speed.
my QWERTY speed is 90 WPM, so I will give another update then.
I currently hold the dubious "benefit" of valuing my time at under ten dollars an hour. I hope to improve that, though, and hope this helps.
This is the public group instrumental rationality diary for December 16-31.
Thanks to cata for starting the Group Rationality Diary posts, and to commenters for participating.
Immediate past diary: December 1-15
Rationality diaries archive