Something I'm also working on: "The Flintstones". I'm trying to make a Pixar style scene, which may be out of my league. But I can try, can't I.
I'm blocking out the scene and the objects are substitutes that will be replaced with high resolution versions. The hero rocks in the middle are modeled with Sculptris because they need to look cartoonish.
I'm also modeling trees and plants which is going to be a hell of a lot of work.