The Flat Sink | SachaGreif.com The most interesting article on the flat design issue that I've read. I've read many good articles on the topic, but just as many posts throw up straw man arguments appearing to have a discussion about skeumorphism vs. visual effects-free design. The point to take away for me is this—if design elements do not provide affordance and feedback, regardless of whether they are aesthetically flat or otherwise, they can be harder to use. This is one case where embracing a visual design aesthetic to be different without carefully considering and testing the usability can be risky.
Max Themes Blog - ✎ If you see a UI walkthrough, they blew it Don't be thrown by the title. This is an article is more about the lack of visual affordance in touch apps rather than about either walkthroughs or flat and minimal interface visual design.
2D Game Art for Programmers: Apache Helicopter If you've ever wanted to see how a complex graphic gets built up from basic geometric shapes, then this is for you. Great deconstruction/reconstruction in this tutorial.