I cannot do a mockup in a scoring program and I can't do a score in a DAW. I use both. And I don't use one and transfer the info to the other. It's more work, but to do the best on both jobs, it's best to do separately. I was perfectly happy with Sibelius but them going to subscription pissed me off. I don't do enough scoring to justify the price. I've been keeping an eye on Dorico since their birth. I've been demoing version 2 and I think I'm ready to move over. For me who does orchestral scores, the divisi function is the game changer. Have one staff for flutes on one page and need 2 or 3 on the next, done.
Since Dorico is still in it's toddler stage, there may be something that one of the other programs have that you can't live without that is not available yet in Dorico.