I believe Tim is refering to GNOME PPAs (which contain the latest software
pieces). If this is the case, here you have all the info:
https://launchpad.net/~gnome3-team/+archive/gnome3. In particular the
must-have PPA is *ppa:gnome3-team/gnome3*, the experimental (very stable if
you ask me) is
Dear Ubuntu GNOME Community,
I'm glad to inform you that I have worked hard to create a new Wiki Area
for Ubuntu GNOME and the new pages have been created:
1. https://wiki.ubuntu.com/UbuntuGNOME - Updated Only
2. https://wiki.ubuntu.com/UbuntuGNOME/GettingInvolved - New Page
3.
