Stammy's articles are always a great read. As a developer, I appreciate his perspectives on the intersection of programming and design. I recommend his three-part post on designing and developing a responsive, retina-friendly site.

http://paulstamatiou.com/responsive-retina-blog-design/ http://paulstamatiou.com/responsive-retina-blog-development-... http://paulstamatiou.com/responsive-retina-blog-development-...