I wouldn't use Storyboards for anything that isn't a largely cookie cutter app with 5-10 ViewController's. They just get increasingly less maintainable as your application becomes more complex.

Generally, I default to individual NIB's and create code-based views as needed. Building and wiring views with Interface Builder is fast, easy and documenting. When you want to implement a certain view in code instead, there's no friction -- you just do it.