Mapping home key - supported all apps?
It should work in TextEdit and 10.7 / 10.8. Did you reopen applications after saving the plist? It looks valid, but you can check for syntax errors with plutil ~/Library/KeyBindings/DefaultKeyBinding.dict.

DefaultKeyBinding.dict does not work in other applications like Xcode, Firefox, or Photoshop though. Another option would be to use KeyRemap4MacBook:



You can customize the setting group by copying it from the source to private.xml.