io ho provato la experimental, ed ha funzionato alla grande

deb http://http.us.debian.org/debian/ ../project/experimental main contrib non-free
deb http://pkg-gnome.alioth.debian.org/debian experimental main
deb http://people.debian.org/~joss/packages ./


apt-get -t experimental upgrade

ti segni i pacchetti e poi

apt-get -t experimental (nomepacchetto) (nomepacchetto) ...

:metallica