As far as outlines goes, and setting a book up to write, i am very methodical, and organized. i find this works best for me. the book i am writing took about 7 months to come up with all the information that i wanted in it.
fist i got down the world. everything from the countries, to the land formations, to the political structures, to what the resources and allies and enemies are for each country. i am not going to use it all in this book (mine will have multiple books in the series however) but "knowing is half the battle" and the information comes up on occasion.
then i got characters... all of them. i have added REALLY small characters since, but even the small characters got into the notes. this makes you think of the character and really form them as a real to life character. this info was just as detailed as the world info.
then i got a timeline down to go after (yes i already had the ideas, but putting them in an outline made it more feasible to write). once the timeline was done, i moved on to a scene by scene. this got the real details of each scene down so that once we started writing, we knew EXACTLY where we were going, and just had to "flesh out" what was already writen i the scene by scene.
being extremely organized in this process with forms for each thing helped immencely.
there were other things i put in the notes, but these are the most important ones.
this isn't for everyone, but it really does help...and i agree, go to the JB livejournal.