It would be great if you could manually enter other inventory devices that can't have a agent installed (e.g. iPads, iPhones, monitors, printers etc) and be able to assign them to users. The info you would want to record is Serial numbers, IMEI, model, name, IP address, etc. Maybe you could select which type of device first which would dictate what fields it gives you to fill in.
I think it would be good to be able to assign these devices to users from the inventory/device page and also from the contacts details page. And be able to assign more than one device obviously. And have a few reports available for this info as well.
This would make Atera a bit more of a one stop shop for our device management.