What do you look for in a shirt design?

Hey everyone, Just curious, what kind of things do you look for/think about when rating/creating designs? I think discussing this will help us share insight to the creative process and may help those looking to start making designs (like me!) get some preliminary guidelines. When I'm critiquing shirt designs or selecting from printed canvas shirts to buy, there are certain qualities I look for: -First is the message, whether it will come across clearly and portrays something I would support. -Second is that "eye-catching" element, if it's likely to draw attention to itself. Think about it, how many times do you actually read the shirts of people you know or pass by every day? If it's a canvas shirt with messages about God, it has to be bold! -Third is whether the aesthetic of the design including color, images, style, etc. I think it'd be cool to see what you guys look for, compared and contrasted to my preferences. :)