Anybody has any luck transforming an Atom newsfeed. Seems this is what Google is using for Google Reader's "shared items"

Thanks
Matt

Ok, here's an example xsl for those Google 'shared' feeds.  It just does a simple list of the feeds aggregatted by the google user. Nothin' fancy, but a start anyway. An interesting feature, at least to me, is the Google feed generator is using a Yahoo namespace for video items.

 <?xml version="1.0" encoding="utf-8"?>
<!-- sample GoogleReaderNews.xsl by Phil 'iwonder' Guerra -->
<xsl:stylesheet version="1.0"
  xmlns:atom="http://www.w3.org/2005/Atom"
  xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
  xmlns:dc="http://purl.org/dc/elements/1.1/"
  xmlns:gr="http://www.google.com/schemas/reader/atom/"
    xmlns:media="http://video.yahoo.com/mrss">
   <xsl:output method="html"/>
 <xsl:template match="/">
  <style>
   <xsl:comment>
   .syndication-content-area {
   }
   .syndication-title {
    font-size: 1.1em;
    font-weight: bold;
   }
   .syndication-description {
    font-size: .9em;
    margin: 0 0 10px 0;
   }
   .syndication-list {
    font-size: .8em;
    margin:0 0 0 20px;
   }
   .syndication-list-item {
    margin: 0 0 5px 0;
   }
   .syndication-list-item a,
   .syndication-list-item a:link {
    color: blue;
   }
   .syndication-list-item a:active,
   .syndication-list-item a:hover {
    color: red;
   }
   .syndication-list-item a:visited {
    color: black;
    text-decoration: none;
   }
   .syndication-list-item-date {
    font-size: .8em;
   }
   .syndication-list-item-description {
    font-size: .9em;
   }
   </xsl:comment>
  </style>
  <xsl:apply-templates select="/atom:feed"/>
 </xsl:template>
 <xsl:template match="/atom:feed">
  <div class="syndication-content-area">
   <div class="syndication-title">
    <xsl:value-of select="atom:title"/>
   </div>
   <div class="syndication-description">
    <xsl:value-of select="atom:tagline"/>
   </div>
   <ul class="syndication-list">
    <xsl:apply-templates select="atom:entry"/>
   </ul>
  </div>
 </xsl:template>
 <xsl:template match="atom:entry">
  <li class="syndication-list-item">
   <a href="{atom:link/@href}">
    <xsl:value-of select="atom:title"/>
   </a>
<!--   <div class="syndication-list-item-description">
    <xsl:value-of select="atom:summary"/>
   </div>
-->
  </li>
 </xsl:template>
</xsl:stylesheet>

Now, to see some detail under the title/link, just uncomment the syndication-list-item-description and/or replace it with this code

   <div class="syndication-list-item-description">
    <xsl:value-of select="atom:summary" disable-output-escaping="yes"/>
   </div>

There's a lot of html in these feeds so the usual cavaets regarding security are applicable.  One usage might be to create your own favorite news items in such a feed, then use the standard DNN news module with this xsl to create a cool agregatted list.  It seems to be pretty handy.

Cheers