I'd like to the ability to use the "drum notes" view in the Piano Roll without having to set up a drum map. Also the ability to edit the note names and save for future reference. See the way Reaper handles this as an example. I've always found the drum maps in Sonar clunky and way too complicated for my needs.
There is a VST opcode (eff GetMidiKeyName) used by CbB, implemented by Fxpansion in the BSD series and the old Cakewalk Session Drummer which automatically displays note names instead of the keyboard in the PRV note pane. Unfortunately, they are the only plug-ins I know of that implement this feature.
Fortunately, CbB has a way to display text instead of the keyboard in the PRV note pane using the Note Names dialog. Right-click the keyboard in the note pane to open the dialog, select "Use