Yes, we do need to be able detune various parts of the pianos in varying degrees. I would go further and say that we should be able to edit other parameters note-by-note, including the pitch, the hammer position, etc. The current version is good, but it arguably sounds either a little too perfect, if the presets are left untouched, or flawed in some regions if universal changes are made, even though the program does compensate region by region for edits.
