Vim-like hjkl keybindings for KeyRemap4MacBook, as seen at http://brettterpstra.com/2012/12/08/a-useful-caps-lock-key/

gistfile1.txt

<?xml version="1.0"?>
<root>
	<item>
		<name>F19 to F19</name>
		<appendix>(F19 to Hyper (ctrl+shift+cmd+opt) + F19 Only, send escape)</appendix>
		<identifier>private.f192f19_escape</identifier>
		<autogen>
			--KeyOverlaidModifier--
			KeyCode::F19,
			KeyCode::COMMAND_L,
			ModifierFlag::OPTION_L | ModifierFlag::SHIFT_L | ModifierFlag::CONTROL_L,
			KeyCode::ESCAPE
		</autogen>
	</item>

 <item>
        <name>Hyper+HJKL to arrow keys </name>
        <appendix>Hyper+HJKL to arrow keys</appendix>
        <identifier>private.hyper_hjkl_to_arrows</identifier>
        <autogen>__KeyToKey__ KeyCode::H, ModifierFlag::COMMAND_L |  ModifierFlag::OPTION_L | ModifierFlag::SHIFT_L | ModifierFlag::CONTROL_L, KeyCode::CURSOR_LEFT</autogen>
        <autogen>__KeyToKey__ KeyCode::J, ModifierFlag::COMMAND_L |  ModifierFlag::OPTION_L | ModifierFlag::SHIFT_L | ModifierFlag::CONTROL_L, KeyCode::CURSOR_DOWN</autogen>
        <autogen>__KeyToKey__ KeyCode::K, ModifierFlag::COMMAND_L |  ModifierFlag::OPTION_L | ModifierFlag::SHIFT_L | ModifierFlag::CONTROL_L, KeyCode::CURSOR_UP</autogen>
        <autogen>__KeyToKey__ KeyCode::L, ModifierFlag::COMMAND_L |  ModifierFlag::OPTION_L | ModifierFlag::SHIFT_L | ModifierFlag::CONTROL_L, KeyCode::CURSOR_RIGHT</autogen>
      </item>
</root>