According to the link kyle posted, newest nodes xml generator has these abilities:

Returns basic information about the most recent nodes and users.

Optional parameter of types=typename,typename,... controls what types of nodes are returned. Default types are:

    CUFP    note    poem    user    quest    snippet
    perlnews        perlcraft
    bookreview        obfuscated
    sourcecode        monkdiscuss
    modulereview        perlquestion
    perltutorial        perlmeditation
    categorized answer    categorized question
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