I use Staff View rarely, but when it comes to recording with classical musicians, it is a great feature. Here are a few comments from my experiences:
Bugs:
Staff View is also displaying notes from muted clips, very confusing! Should be turned off or optional.
Mouse Wheel Zoom is not working in Staff View
changes in Layout are not undoable
when in Print Preview while the playback is on, the Print Preview display is blinking
in Print Preview, using SPACE to start playback does not work, because focus is on menu buttons (Print, Configure, Zoom in...)
Ideas:
in Print Preview, (option to) show Now Time cursor during playback. Why: when I record with a note reading musician, I use Print Preview to show him what I want him to play whithout the need to print a paper score. Animated Now Time cursor in the score would be helpful for this. I can't use simple Staff Vief for this because it only shows a few bars in advance.