Cloud,
in this instance, the documentation is ahead of what is available in the
public release. talairach_with_skull_2.lta will be available in the
next release. in the current release (5.1, and prior),
talairach_with_skull.lta is created in two places: during skullstrip,
and during the skull-l
In article http://surfer.nmr.mgh.harvard.edu/fswiki/FsTutorial/SkullStripFix,
it is mentioned that talairach_with_skull_2.lta is created during autorecon2,
and that it can be useful when troubleshooting skull-strips, however I do not
find talairach_with_skull_2.lta in the mri/transforms director