Hey Stephen!
So it sounds like you want more design components inside the email marketing composer … do you have any element in particular you’d like to see?
Interested in knowing what you think would make email marketing even more stunning 
A few things, off the top of my head-Adding a countdown. Under “Mix” adding a lot more options: 1,2,3 pictures in a row vertically with text, without text, with button and without button. Also, adding a photo gallery of 2,3,5 pictures grouped together.