The following pic shows what it's like when painting on half of 4K (2 Full-HD monitor combined). Click to enlarge.
Close up for you to see the amazing details Expresii offers:
Previously we painted a fish with the same color loading:
And yes that was a closeup, and the entire paper is actually this big. Plenty of room for the artist to add more fish buddies.
Can't wait to do it on a 4K monitor! BTW, painting with Expresii on a 4K monitor showing eye-catching watercolor with amazing details would be a very good marketing for nvidia or AMD for a good showcase of their GPU's. ;-)