I mostly use the normal render dialog.

Vink Cast Shadows
Vink Raytrace
Bounces 3
Irr Catch 0 ( yes zero ), and keep it there. => Later on, try 2, or 4, or 7, or 10

Vink Indirect Light
ILQ 7, can got to 10 or 20, or higher if needed, but only if needed.
Pixel Samples 3
MSR 0.5 for some nice detail, to 0.1 for very sharp
Bucket 32, can lower to 16, or even 8.

Vink Smooth Plygons
Vink Displacement maps

Poser 1, 2, 3, 4, 5, 7, P8 and PPro2010, P9 and PP2012, P10 and PP2014 Game Dev
"Do not drive faster then your angel can fly"!