Duke, I also had this question. I was able to create geographical printer assignments based on computer names. Here's a link to a thread with the code for the KiXtart script and the INI file.
(Just as an extra to what Richard H. already posted)
http://www.kixtart.org/ubbthreads/showflat.php?Cat=0&Number=146079&an=&page=0&vc=1
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let the wise listen and add to their learning,
and let the discerning get guidance- Proverbs 1:5