Pete Draper has made an 11-part tutorial on creating a tornado using Particle Flow in 3ds Max.
Platige Image and 3ds Max: The Essential Tool for a Fast and Evolving World
Find out why 3ds Max is an integral part of Platige Image's pipeline.
r|shaders - Free Trial
A trial version is now out for r|shaders, a collection of procedural shaders for 3ds Max.
Creating Volcano Smoke - Tutorial
CG Cookie have a cool two part tutorial on creating a smoking volcano with FumeFX in 3ds Max.