In addition to the Wayback Machine there are a couple of special Geocities archives. I don't know if thay have any additional sites that Wayback doesn't. I tried downloading an arbitrary file from a site on OoCities and it worked, so maybe, one chance in a million you may find something useful.

www.oocities.com/

reocities.com/ 

"Democracy is a pathetic belief in the collective wisdom of individual ignorance." - H. L. Mencken