Here is how you can take a hi res mesh, resurface it, then project the detail and color of that Hi res mesh to you...
Here is a quick little video on how to sculpt skin pores in ZBrush.
made with Zbrush 3.0's new poly paint feature.
PolyPainting – Painting color on your model that are UV independent. Convert texture maps to poly colors ...
Layers – Working with 3D layers inside of ZBrush.
Sub Division Levels – How to work with Sub D levels for sculpting at various detail level on you sculpture...
Real-Time Shadows – Working with real-time self shadowing in ZBrush.
Cavity Masking – Automatic depth based masking.
Working with multi-piece models inside of ZBrush.
made with ZBrush 3.0 and Zapplink.