[MJK]

I'm not really sure what you asked here, but just for the sake of trying to answer something, the way I understand it is that you want to see your next actions in a clear way in iCal.

Well, to use GTD properly, you're really not supposed to use OmniFocus items synced to iCal to do that, but use OmniFocus itself. It shows all your next actions in purple, which is rather clear.

I so hope I'm not making a fool of myself by answering this after drinking, but there you go. And yes, I type clearly regardless of how messed up I am, just takes longer :P