If you want to convert XML to HTML you may want to look at:
Matt Sergeant's AxKit:
http:://www.axkit.org
The Apache XML Project
http://xml.apache.org

If you are trying to ramp up quickly on XML here are a few good links
Archives of the perl-xml mailing list
http://mailarchive.activestate.com/browse/perl-xml
XML.com ( has lots of good articles)
http://www.xml.com
The World Wide Web Consortium (which maintains the standard)

• XML - http://www.w3.org/XML/
• XSL - http://www.w3.org/Style/XSL/
• XSLT - http://www.w3.org/TR/xslt.html

The XML Cover Pages
http://www.oasis-open.org/cover/sgml-xml.html
XMLHack
http://www.xmlhack.com/

You also may want to check out David Cross's new book Data Munging with Perl.
It has a good section on XML & HTML parsers.
You can even get it as an e-book, which is so cool.
http://www.manning.com/cross/index.html

Anyway, I hope this helps. Good Luck.

Get Strong Together!!