He stripped the site of contents now. Everything's still in the repository history though: https://github.com/cwales/cwales.github.com/commits/master
My mirror's at http://thomas.fach-pedersen.net/SPOOL/ has all the documents in PCL, PDF, and properly oriented PNGs if you're tired of turning your monitor upside down :)
I made an imgur album of the PNGs too: http://imgur.com/a/dJpuG