I was pretty fed up with the behavior of 'df', so I wrote my own diskfree tool.
It's called 'duf', it's written in #golang, and you can get it here: https://github.com/muesli/duf
On ArchLinux, you can simply install 'duf' from the AUR.
@fribbledom Looks like a definite step up :)
This is my personal Mastodon.