Thanks for linking here...  But the paper has been moved to:

    http://svn.pugscode.org/pugs/docs/talks/hw2005.tex

Rendered versions should be available at:

    http://perlcabal.org/~autrijus/hw2005.ps    (PostScript)
    http://perlcabal.org/~autrijus/hw2005.pdf   (PDF)

Thanks,
/Autrijus/