Awesome! Downloading full size now! Your colors look amazing!
You may already know about this, but two ways I accomplish the same thing as zooming in and out is to have the navigator open, and sized down to check shapes, and/or Window\Arrange\New Window for ***** This way you can paint on both. When using 2 monitors, you can keep the second window on the other monitor. Although I have to say, I still zoom in and out some.
Keep it up!