HI,
played a little with the new blender
Remesh Modifier by Nicholas Bishop http://www.blendernation.com/2011/12/05/remesh-modifier-documentation/
branch still in development should be in the 2.62 release date feb 2012
Created this small movie to show Zbrush Dynamesh with the new Remesh modifer in Blender for quickly UV map and polypaint with a difficult mesh topology in Zbrush.
[youtubehd]YOOTBp0KIz8[/youtubehd]