Create 3d Characters - Some very impressive looking Maya sculpt and retopology demos on DNeg modeller Luiz Elias's vimeo page. Very little info about the tools, let me know if you know
Shapes Brush Brings Long Missed Sculpting Tools to Maya - Lesterbanks
Solved: Sculpting has Dark Faces - Autodesk Community - Maya
Autodesk Maya, tools for artists, modelers, and animators - Toolfarm