Short post before I forget -- don't know the extent of its uses beyond log / debug messages, but I would really like my router to know what time of the day it is... and properly update / compensate for summer time.
Order matters... at least with pathauto and taxonomy!
In most cases, when building a Drupal site I prefer to have a single content type, with nodes distributed in sections via a vocabulary. It then makes sense to use the term in the node aliased path -- unless you have multiple vocabularies.