If you ever use any of the alternative keyboard layouts available in OS X (System Preferences -> Language & Text, Input Sources tab), you know that some of their names are quite cumbersome—U.S.
To make an effective switch, one has to override muscle memory for using QWERTY layout for a long while. I started on my grandfather's "Underwood" typewriter when I was 7 and if I were to explore ...
Most keyboards are factory-set for a specific layout, and most users never change from the standard layout for their home ...