Chaosgroup have released the V-Ray animation showreel for 2013.
V-Ray GPU Tutorial - Forest Pack Support
Take a look at Forest Pack support in V-Ray GPU rendering with the help of this video tutorial.
V-Ray Tutorial - Volumetrics
Look into the volumetric effects in V-Ray with these two videos.
Shading A Hard Surface Model - Tutorial
Neil Blevins has posted a new tutorial on how to shade a hard-surface model in 3ds Max.