Here's a trailer for XrayCat ST 1.5 for 3ds Max.
Realistic Grass in 3ds Max with V-Ray - Tutorial
Michal Horba from Evermotion explains how to create grass using the V-ray displace modifier in 3ds Max.
Motiva Exposure Control for V-Ray
Motiva have released a free plugin for 3ds Max that serves as an extension over V-Ray's native Exposure Control.
Freelancer artist John Martini has released Welder 1.0, a script for 3ds Max that creates welds between intersecting geometry.