Version 1.1 of ShaderMap, the 3d map conversion tool, has been released. It now supports conversion of height and normal maps to ambient occlusion maps. Other improvements include modification of existing tangent space normal maps, a streamlined user interface, and online documentation. ShaderMap Command Line (CL) is free for non-commercial use.
The Pro version is still just $19.95.
Learn more about ShaderMap: http://www.renderingsystems.com/products.php
View online documentation: http://www.renderingsystems.com/documents.php