root@sarnassi:~# dpkg --purge dvipdfm
(Reading database ... 102022 files and directories currently installed.)
Removing dvipdfm ...
Removing `diversion of /usr/share/texmf/tex/latex/graphics/dvipdfm.def to /usr/share/texmf/tex/latex/graphics/dvipdfm.def.tetex by dvipdfm'
dpkg-divert: rename involves overwriting `/usr/share/texmf/tex/latex/graphics/dvipdfm.def' with
different file `/usr/share/texmf/tex/latex/graphics/dvipdfm.def.tetex', not allowed
dpkg: error processing dvipdfm (--purge):
subprocess post-removal script returned error exit status 2
Errors were encountered while processing:
dvipdfm
You have new mail in /var/mail/root

I will stare at the documentation on dpkg after lunch though, and see if I can get somewhere with it by adding more command-line flags.

Thanks,
Ben