Papervision 3D

Hi all, hows everyone here today?

Anyway just wanted to ask has anyone here played with or used Papervision 3D

Example sites:

http://www.x-prime.com/fr#

http://www.hatica.com/lab/3d/escena/

http://www.zaramedia.com/

http://www.ovaldesign.com.hk/

http://www.dasai.es/

http://www.summerfestival.be/