Typical use cases for me our to get the latest stable Nginx, PHP, HAProxy and similar popular packages without having to upgrade to a non-LTS release of Ubuntu.
This would be really interesting to see on Debian!
These types of things are already available (and I would wager much more stable than the type of thing found in PPA's) through third-party repositories like http://Dotdeb.org
Honestly I think PPA's only real-world appeal will be for desktop Debian users.
No one with any rational thought process is going to use a PPA sourced package on a server environment.
PPA support would just make it easier and safer to add repositories like http://dotdeb.org to your setup. I don't see how PPAs are any worse than manually adding entries to your sources.list file. They're almost the same thing, except the former a bit more automated.
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Typical use cases for me our to get the latest stable Nginx, PHP, HAProxy and similar popular packages without having to upgrade to a non-LTS release of Ubuntu.
This would be really interesting to see on Debian!
These types of things are already available (and I would wager much more stable than the type of thing found in PPA's) through third-party repositories like http://Dotdeb.org
Honestly I think PPA's only real-world appeal will be for desktop Debian users.
No one with any rational thought process is going to use a PPA sourced package on a server environment.
edit: missing closing parenthesis.
PPA support would just make it easier and safer to add repositories like http://dotdeb.org to your setup. I don't see how PPAs are any worse than manually adding entries to your sources.list file. They're almost the same thing, except the former a bit more automated.
Nginx has their own non-PPA repository with latest versions, both stable and mainline.
http://nginx.org/en/linux_packages.html
The PPA is unofficial.