One of three tests using Bryce 6.1 IBL. Thumbnail shows the .HDR image used.

AMS model from DAZ.

Rock formations/vegatation are Bryce trees.

IBL set to 64 lights and render at 64RPP (Soft Shadows off)

Render time: 6hrs/49 minutes, High Priority.

MacPro dual-dual 2.5 GHz