I think that outlining via the Josh method has probably been the most productive way of organizing a game text, for me at least. Yes, its very 9th grade, but you know, its been a pretty long time since I’ve spoken to Mrs. English (yup that was my 9th grade english teachers name.)
In order to do it you still need to have more of a complete game design, I think. But, wow, its taken my game to another level.
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I’d like to add that what outlining has done for me and why its taken me to the next level is because it forces me to see the game in its individual components. So when I’m writing up the individual parts I don’t get hung up on repeating myself, which is something I do a lot.