Hi Bob and Dan, that would be ok if the 3rd party tool would be developed inside SONAR, if it's another software to open alongside SONAR then it would be too much of a hassle to use.
Please don't get me wrong, I understand that this will take some resources, but don't forget that the competition is also making progress on this, we all know the biggest one, Cubase, but Digital Performer is now on PC and has a very good score editor and is one of the most used DAWs for film scoring, Studio One has bought Notion and from what I understand it seems that a future version may include a score editor, Reaper 5.1 will most probably have a score editor, Samplitude Pro X has a score editor, so I really think it would make sense for SONAR to have at least a usable score editor.
cheers,
Hans