I'm pretty sure this request will not be something clamored for by most of you, but it's a frustration for me, and I think it's probably trivial to fix. In any Cocoa text box, and most Cocoa based text-editors and word processors, you can navigate through the text without using the arrow keys. Instead, you can use ctrl-n for up, ctrl-p for down, ctrl-b for left, and ctrl-f for right. These keystrokes are standard in the programmer's editor emacs, which I assume the original NextStep authors must have been fond of. There is also ctrl-h for backspace, and ctrl-d for forward delete. The huge benefit to these keys over the arrow keys is that you don't need to move your fingers off of the home row to move the cursor.
The good news is that almost all of these keys work, except left and right (ctrl-b and ctrl-f). This becomes extremely frustrating for me as I instinctively press these and wait for something to happen. So that is my request: please map these keys to left and right cursor movement.
Thanks for listening.