1. Automatic installation of addon.
2. An automatic choice and installation of necessary addons.
3. Automatic installation of localisations.
4. Automatic check and installation of updatings.
5. Automatic parse for the Resource Manager.
6. Automatic uninstall addon.
7. Integration of installed forum and official Resource Manager.
Probably, there will be other variants of such package. But, believe, it is necessary. Already now it is the extremely inconvenient to trace updatings.
Also installation of addons on one occurs slowly enough whereas installation simultaneously several addons can essentially reduce time.