You can manage digital copy protection (SCMS) on the S/PDIF outputs.
It's possible to choose input channels for DirectX applications. The choice is displayed in red on the Control Panel.
We'll admit that we were hoping for a little more elaborate software, allowing more advanced - and especially finer - adjustments. This Control Panel has a very basic "Windows-like" feel. From this point of view, there isn't much advantage over what you get with a consumer-model sound card... aside from the number of inputs and outputs, obviously!
Needless to say, the 16/12 has WDM and ASIO drivers, providing compatibility and very good performance with all music applications.