It would be really nice to be able to pull individual circuit data, for example power consumption, trip states, curves or User defined variables. Usage data and statistics can be really useful for fault finding, and data being open can speed up troubleshooting as all relevant information can be condensed into one place, rather than being lost in layers of different applications. Using ACN to gather that information would be my preferred option, however Sensor 3s ACN implementation is not documented publicly (or at least I couldn't find it) , so having a dedicated API over via OSC or http would be a nicer and easier to integrate option.
Statistics for power consumption is also a use full tool to have as we transition to more sustainable fixtures with lower power consumption.