Ubuntu 6.10 Release
http://releases.ubuntu.com/6.10/

Kubuntu 6.10 Release
http://releases.ubuntu.com/kubuntu/6.10/

Edubuntu 6.10 Release
http://releases.ubuntu.com/edubuntu/6.10/

Xubuntu 6.10 Release
http://cdimage.ubuntu.com/xubuntu/releases/6.10/release/

Edgy Release Note
https://wiki.ubuntu.com/EdgyReleaseNotes