"Micro timing for every note" is easier since it can be done without adding a new grid UI.

Then,
>a third view
It can be done by adding a state to the "CV/Prob" switch. Currently, the switch which changes the view of the grids between CV and Probability mode has two states and it will be three.
Another concern is a format of the value. Is it better to have discrete value (like 10%, 25%, 50%, 75%) or it should have continuous value (like ±1.0%~99.0%)?