DHCP lease count
I frequently get asked if a site could be out of DHCP leases when techs are troubleshooting network connectivity issues with PCs and laptops. There's no way (that I know) to quickly get a count of how many leases are in use or available.
It would be nice if on the System Status > DHCP Leases page there was a graph that showed leases in use versus the total number. Or even just a numerical count of how many leases have been handed out.