[pdftex] the right way for landscape slides?

[Troy Goodson]

What's the "right" way to get landscape slides in pdflatex?

Right now, I'm using the code below.
Is there a better way?
Is there a way that would work with latex and pdflatex?

%-=-=-=-=-=-=-=-=-=-=-=-=-==-=-=-=-=-=-=-=-=-=-=-=-=-=
\documentclass[landscape]{slides}

\AtBeginDocument{%
   \pdfpageheight = \paperheight
   \pdfpagewidth = \paperwidth
}

\begin{document}
\begin{slide}
\begin{center}
     A sample slide
\end{center}
\end{slide}
\end{document}