As I've said, I'd also like a better staff view. But how much would be enough ?
It seems to me you either support notation or you don't. I have trouble imagining a middle ground, especially one that wouldn't require a lot of work. I wonder how many people at Cakewalk are familiar with the actual code.
I used to create partitions 'by hand' with a drawing package. It was rather slow, but I could do everything, especially once I'd built up a library of core symbols. Of course they were dead partitions...