Good thread PodWORLD.
I started a similar one awhile back but it got buried somewhere.
Here are some more great sites. The site you linked is one of the most
comprehensive though.
Internet Sacred Text Archive (Huge amounts of books all free)- http://www.sacred-texts.com/
Nice selection of many texts relating to the occult and spirituality http://www.sacred-magick.com/
The Pyramid Texts Online: http://www.pyramidtextsonline.com/
Lots of different version of the Bible for easy comparison, great search feature http://www.biblegateway.com/
Ancient Texts- http://www.ancienttexts.org/library/index.html
The Gnosis Archive including The Nag Hammadi ect- http://www.gnosis.org
Egyption Texts and others- http://www.sofiatopia.org/
The Hermetica Online- http://www.hermetica.info/
Internet Ancient History Sourcebook- http://www.fordham.edu/halsall/ancient/asbook.html
Babylon Mystery Religion- http://www.babylonmysteryreligion.com/
The Popul Vuh, Quiché-Maya- http://www.bibliotecapleyades.net/popol_vuh/index.htm
Codex Sinaiticus http://www.codexsinaiticus.org
Mythology and Folklore- http://www.themystica.org/mythical-folk/default.html
Twilit Grotto: Archives of Western Esoterica- http://www.esotericarchives.com/esoteric.htm
Egyptian Funerary Texts- http://bookofthedead.book-lover.com/