Arnold Cornell Box (ish) Test

These were rendered at sampling settings of 6 (AA), 4 (GI [diffuse hemi]), 2 (glossy), and 4 (raytraced SSS). The Diffuse GI bounces were set to 3 to max the native V-Ray QMC GI.

Render took 15min 40secs (700x560)

and the second took 1min and 1 second longer with the volumeScattering.