Man that'd be a dream come true.
Quickscore looks great btw, I need to investigate it. I can't believe to this day no one really found a good way to have deep notation functions in a DAW, or at least a usable rewire implementation.
I bought Notion 4 hoping it'd help but it crashes constantly (apparently it doesn't make nice with the focusrite drivers, by Presonus' own admission!) and when it works there are still a lot of workarounds and voodoo involved in syncing it to Sonar.