…it's also connected to an amp and has cmus running on it, so I use it as a digital music player (that 5 Tb drive comes in handy), and I have a web remote for cmus too — so I can control it from phones and other such devices without having to resort to ssh, it has minidlnad running on it — so I can watch movies directly from it on DLNA-capable devices, such as abovementioned TV.
And now it hosts a dedicated ioquake3 server with CPMA too!
All that on just 512 megabytes of RAM 😲