I would love to use a specific node which is finding details from the mesh.
It would include automatic color coding for loose parts. For example, if I drag from "loose parts" to ramp and then to for example diffuse color slot.
I would have different colors for every loose part.
A similar thing would work with quads, ngons and tris. -> Select -> to ramp and diffuse color -> Different color to every face
Maybe other things in that node would be "volume" which allows me to have a different color in those mesh parts that are bigger. That would be very useful for example in infographics.
Image I created about the node: http://i.imgur.com/atkvX5S.png