I searched for this topic just to make sure, but didn't find anything. And just to acknowledge, this is more of a curiosity feature than anything else.
It would be nice to have a Statistics screen that would give me all the stats of my local and remote servers. Something to just be able to look at and tell how much is being used and where. Not that this information is not impossible to find manually. But if someone runs multiple hard drives and/or multiple folders for each type (I know I know I need to setup a raid...) it can take a bit to do.
So as an idea, something like this would be cool: