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The other day Dave had a document up on the projector and was editing a document that we were all commenting on. He typed something new and had a bunch of text between the cursor and the end of the line that he needed to get rid of. My mind started to scream "Control K, control K, control K" over and over. My fingers would have even moved like they were on a keyboard had I not exercised much self control.
Now, admittedly I'm a bit of a control freak, but I think this is pretty common. It's why we have wars about our favorite editting environments. Once we've got the keystrokes wired into our brains, its there for good. I have to admit that part of my like for Apple products like Pages, Keynote, and Mail.app is that they understand Emacs command keys.