Even if you only had the text of the password, one of the first things that you'd try if your keylogged password didn't work would be to see if the characters m

Even if you only had the text of the password, one of the first things that you'd try if your keylogged password didn't work would be to see if the characters map to a different layout. (There are only so many after all.) If you want an excuse to try switching to Dvoraks, how about not having the semicolon on the home row?