@Errikos said:
All very good points there and I'm sure there are many more. I'm so puzzled at the lack of participation in this post;
I suspect the reason for lack of participation, is that the chances of a VSL "Sibelius/Cubase" beater is somewhat unlikely to ever happen. In fact I am sure it is safe to say, it will never happen. Cubase is where it is at today, because it has evolved for 25 years.
Maybe a proper sound set for Sibelius would be the answer, because at the moment you still have to select all the sounds you want to use, but a proper complete sound set would have all the sounds there ready, with all the articulations ready to go.