One my favorite things about Konqueror is vi motion commands. The letters "hjkl" move web pages right, down, up and left. Between that and IBM's trackpoint, I never have to take my hands off a keyboard or need a mouse until I want to.
Slashdot seems to have used "j" as a shortcut for something else recently. Now I have to reach for arrow keys and scroll bars or carry a mouse around. Please make it stop.