Going to use the Mini as a media centre mainly. Plan to install Plex and Airmouse so I can watch movies etc, and control the machine from my iPhone.
I think the previous owner might have upgraded the Mini a bit, or bought it well spec'd, I'm going to add a NAS drive to my network for extra storage though, and also add one or two USB hard drives to the Mini. Plan to have it all tucked away somewhere out of sight near the television.