Learning bump-mapping and lighting...needs work, but it's a good start with Maya 2011
Autodesk 3ds Max
Autodesk® 3ds Max® software provides a comprehensive 3D modeling, animation, rendering, and compositing solution for games, film, and motion graphics artists.
Autodesk Maya
Autodesk® Maya® 3D animation software offers a comprehensive creative feature set for 3D computer animation, modeling, simulation, rendering, and compositing on a highly extensible production platform.
Autodesk SketchBook Pro
Autodesk® SketchBook Pro software is your digital sketchpad. It can be used in any creative process where pen and paper would traditionally be used.
Important: SketchBook Pro users may experience difficulty with product activation at this time. There is no workaround in place yet, but you will still be able to use the software in trial mode.