Mi apt-sources.list 
(pingui lo que comienza con "#" esta comentado... asi que en el apt-get update no lo leera... :D)

#Repositorios Enlightenment
deb http://www.vobcopy.org/mirror/elive/ elive main efl elive
#repos Etch
deb http://ftp.fr.debian.org/debian/ etch main contrib non-free
deb-src http://ftp.fr.debian.org/debian/ etch main contrib non-free
#Repos Lenny
deb http://ftp.fr.debian.org/debian/ lenny main contrib non-free
deb-src http://ftp.fr.debian.org/debian/ lenny main contrib non-free
[#repos live cd
deb ftp://ftp.softwarelibre.ulpgc.es/debian/metadistros ./

esos...
 y los de mis cds (que son de testing)

 deb cdrom:[Debian GNU/Linux testing _Etch_ - Official Snapshot i386 DVD Binary-3 20070226-09:21]/ etch contrib main
 deb cdrom:[Debian GNU/Linux testing _Etch_ - Official Snapshot i386 DVD Binary-2 20070226-09:21]/ etch contrib main
 deb cdrom:[Debian GNU/Linux testing _Etch_ - Official Snapshot i386 DVD Binary-1 20070226-09:21]/ etch contrib main
 #Repositorio Multimedia
 deb http://www.debian-multimedia.org/ etch main
 #Repositorios de Seguridad
 deb http://security.debian.org/ etch/updates main contrib
 deb-src http://security.debian.org/ etch/updates main contrib