http://www.perlmonks.org?node_id=105041

This is an article I presented at TPC5 in San Diego. It may help you if you're trying to sort out the different templating options available for Perl. It is mostly focused on building web applications.

Choosing a Templating System

UPDATE: This article has just been featured on perl.com. You may prefer the layout there. http://www.perl.com/pub/a/2001/08/21/templating.html