Lew, I really appreciate the kind words and I’m so glad that you’re making use of it already.
As others have mentioned, it’s great that you can customize it as you like; you’re not locked down to using the Notation Express profile. Indeed, based on your screenshot, you’ve already modified it a bit 
Here’s the shipping home screen (dynamics are here):
Leo has done an amazing job of thinking it all through with 300+ commands, all the while keeping some general consistency with the Sibelius version, to appease both Dorico-only users and Sibelius/Dorico users.
Dan and Marc also provided some terrific advice, too.