Ordinarily if a model isn't in the global or zone file it'll just default to human, so no worries about invisible dudes killing you.
Heh not sure if that is any real improvement. :-)
Lerxst, if you have any experience with some moderately complex Perl and DBI nonsense...mind if I PM you? I have broken something and need a second set of eyes to point at the obvious mistake and laugh.
-Hate