I use the Storyboard a lot. Basically my entire campaign is based on several linked Storyboards.
What I do is link the story board to entries in other parts of RW. That way the conditions are in the entry and I only have to map the different plot points. I also keep it pretty "high level". Big decisions are put in the Storyboard, locations and what happens their are played inside of the entries.
My favorite combination is to have one or more maps (for instance from a module) and use linked pins for the locations. That way I have the big picture in the Storyboard and the current action in the entries. Works fine for me, eventhough it is a lot of preperation.