Chaos Group have posted a Film & VFX Showreel for their V-Ray render engine.
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.
CGschool - Arch-Vis Training in 3ds Max, Photoshop and V-Ray
CGschool provides world-class architectural visualization training in 3ds Max, V-Ray and Photoshop.
V-Ray Feature Films Showreel 2013
Chaos Group have posted the official V-Ray feature film showreel for 2013.