I just learned about Kronos, by the Foundry, and the Tokina 11-16 lens. Wow. Just wow. Perfect. They are on the list for production, certainly.
October 2nd, 2010:
I have some great particle motion studies from fountains that I am converting from 60fps to 30fps and will be posting soon. It is great to compare behaviors of real versus synthesized particles when doing your work - helps make things more convincing!