Exactly, years of muscle memory and files. If I was involuntarily forced off of Sibelius at this point, I would be rather annoyed. I'm not even sure what I would do. Last time I tried it, Dorico did not support everything I needed to do, even if I wanted to use it.
Of course... that's a business focused on casually milking an annuity... Not something that's growing. I guess not with it for the people that bought the company a few years ago.
Finally... Wonder what's happening with those Garritan sound libraries I've invested in....