Roland Hartmann of shows how to create and use 3D particles using Stardust.
This tutorial covers many features such as using the new Model and Material nodes, Creating Primitives, Extruding Masks, Adding Environment, Ambient Occlusion and more. 

Tools used

Project Download

You can find the download on the Superluminal tutorials page, scroll down to the Happy Holidays tutorial.

Check back later this week for the free project download.