The Octatrack offers different trig modes (e.g. mute, chromatic, etc). Since the Rytm has got eight data knobs, I like the idea of having a track volume mode, where you can freely assign track volume control to the eight data knobs. Maybe via internal midi configuration.
This could be applied to the Octatrack as well since it is not possible to change track volumes simultaneously in a handy way without an external midi controller.
If there is such a functionality please send me a message, I'd very much like to know about it!