Using HTML::Parser is good, but it does take a while to learn. There are examples in this directory: http://cpansearch.perl.org/src/GAAS/HTML-Parser-3.68/eg/.

The htext example will show you how to pull all the text out of an html file.

Looking at the html:

...
<div class="heading">Detailed Overview</div> 
<p>With The Elevation Group....</p>
<p>You will get an understanding....</p> 
<div class="heading">Reputation</div> 
<p><a href="http://www.imreportcard.com/people/mike-dillard">Mike Dill
+ard</a> has built his...</p> 
<div class="heading">Domain "Whois"</div> 
<p>The Whois information for a....</p> 
...
[download]

It looks like you just need to look for div tags that contain the class="heading" followed by paragraphs. Of course, some of those paragraphs contain additional formatting, but that should be easy for you come up with logic handle those.