After seeing that the Stream Deck is on sale on Amazon, I wanted to see if this would work for digital art. This was the first video in my search result! Thank you so much for your detailed insight on this!
Photographers too! The bigger one is definitely worth it. And you can create all the icons you need in Photoshop, and export to .png files. I make mine 800x800 pixels. Mac users can use Keyboard Maestro to automate everything in very powerful ways.