There's the wayback machine (archive.org), or you could try to search for cached pages on Google, which I think is what you were getting at.

The way you do that is search for 'site:roleplayerguild.com <insert whatever you're searching for here>' and then if you get any hits on your search you look to the right of the green line of text for an arrow. If that arrow is there, click it and a little box should pop up with the word Cached, click that and you'll get the cached page.