Full screen, animations (like flash...), video support and so on.
I had a little problem, was solved within 30 minutes (and to be hones 2nd time, it was my fault...).
The component a.) secures your installation in critical points b.) protects for hacks of insecure uploads c.) cleans your Database and temp-folders d.) a county-blocklist (even a black-white-list) e.) has an outstanding support-team (what not every paid component has...).
So an cost-free alternative without the "one-stop-solution-idea" could be "Admin Tools" by Akeeba, but without the really nice security features.