I would sorely like both. The system level stuff should be package managed to create a coherent base system. For individual apps I would really like to use the

I would sorely like both. The system level stuff should be package managed to create a coherent base system. For individual apps I would really like to use the latest version of e.g. Libreoffice without having to leave the comparative stability of a LTS distribution or adding a ppa. I would also like to run something like Skype or Dropbox in a sandbox.