Here's a trailer for XrayCat ST 1.5 for 3ds Max.
RayFire Asperity - Promo and Overview
Here is a promo and an overview video for Asperity, a new RayFire feature that adds more detail to geometry.
The NYC 3ds Max User Group Master Classes
The NYC 3ds Max User Group are holding their first day of Master Classes on the 29th of September.