RVW format in RSS 2.0

I give up trying to make RSS 1.0 (RDF) that validates - I'll leave that to Danny Ayer's SSR kit. Here's the RSS 2.0 version (you can test this in your newsreader):
<?xml version="1.0"?>
<rss version="2.0"
        xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
        xmlns:dc="http://purl.org/dc/elements/1.1/"
        xmlns:ent="http://purl.org/NET/ENT/1.0/"
        xmlns:foaf="http://xmlns.com/foaf/0.1/"
        xmlns:rvw="http://purl.org/NET/RVW/0.1/">
        <channel>
                <title>HubLog</title>
                <link>http://www.pmbrowser.info/hublog</link>
                <description>Alf's reviews feed</description>
        
                <item>
           	    <title>The review headline goes here</title>
           	    <link>http://www.pmbrowser.info/hublog/archives/1234.htm</link>
           	    <description>The body of the review goes here.</description>
           	    <dc:date>2003-05-08T01:01:01+00:00</dc:date>
           	    <dc:creator>
           	            <foaf:person>
           	                    <foaf:name>alf eaton</foaf:name>
           	                    <foaf:mbox_sha1sum>4057e48e7bf04a1bead63f9c6d18b4245a52db03</foaf:mbox_sha1sum>
           	            </foaf:person>
           	    </dc:creator>
           	    <rvw:item>
           	            <rvw:link>http://www.amazon.com/exec/obidos/ASIN/0156027321/</rvw:link>
           	            <dc:identifier>ASIN:0156027321</dc:identifier>
           	            <dc:type>Text</dc:type>
           	            <dc:title>Life of Pi</dc:title>
           	            <dc:creator>Yann Martel</dc:creator>
           	            <dc:publisher>Harvest Books</dc:publisher>
           	            <dc:date>2003-05</dc:date>
           	            <ent:cloud ent:href="http://www.pmbrowser.info/rvw/">
           	                    <ent:topic ent:href="http://www.pmbrowser.info/rvw/types.xtm#book" ent:id="book">Book</ent:topic>  
           	            </ent:cloud>
           	            <rvw:rating>
           	                    <rvw:minimum>0</rvw:minimum>
           	                    <rvw:maximum>10</rvw:maximum>
           	                    <rvw:value>7</rvw:value>
           	            </rvw:rating>
           	    </rvw:item>
                </item>
        </channel>
</rss>