The repository of Linux Mint 16 Petra is available (The release of Linux Mint 16 is expected around the end of November). You can find out what packages are in the repository here : http://packages.linuxmint.com/list.php?release=Petra
Also you can check the development progress of Linux Mint 16 Petra here : http://community.linuxmint.com/iso
Unless there is a significant change in Linux Mint 16, the sources.list of Linux Mint 16 (official-package-repositories.list) should looks like the following.
deb http://packages.linuxmint.com/ petra main upstream import deb http://archive.ubuntu.com/ubuntu/ saucy main restricted universe multiverse deb http://archive.ubuntu.com/ubuntu/ saucy-updates main restricted universe multiverse deb http://security.ubuntu.com/ubuntu/ saucy-security main restricted universe multiverse deb http://archive.canonical.com/ubuntu/ saucy partner # deb http://archive.getdeb.net/ubuntu saucy-getdeb apps games
You probably already know that Linux Mint 16 will be shipped with Cinnamon 2.0. Since Cinnamon 2.0 is available at the time of writing, you could install it on Ubuntu 13.10 to experience new features.
Simply, add the following line in ‘/etc/apt/sources.list’
deb http://packages.linuxmint.com/ petra main upstream import
then install ‘cinnamon’
apt-get update ; apt-get install linuxmint-keyring ; apt-get install cinnamon
find more about Cinnamon 2.0 here : http://segfault.linuxmint.com/2013/10/cinnamon-2-0-released/
Here are few screenshots of Cinnamon 2.0 on Ubuntu 13.10