Pete Draper has made an 11-part tutorial on creating a tornado using Particle Flow in 3ds Max.
iToo Software have released version 2.2 of their RailClone plug-in for 3ds Max.
Map Transfer is a free 3ds Max and Thinknig Particles tool that converts color information into a transformation.
Future of 3ds Max - Frank Delise Interview
Find out about the future development direction of 3ds Max in this interview with Frank Delise on Max Underground.