Why stop at responsive design?

A responsive web design will handle the flow of our page content as viewports change but let's go further. HTML5 offers us more than HTML 4 ever could and it's more meaningful semantic elements will form the basis of our markup. CSS3 media queries are an essential ingredient to a responsive design but additional CSS3 modules empower us with previously unseen levels of flexibility. We'll be ditching swathes of background graphics and complicated JavaScript, replacing them with lean CSS3 gradients, shadows, typography, animations and transformations.

Before we get on with creating a responsive HTML5 and CSS3 powered web design, let's first look at some examples of what we should aspire to. Who is already doing a good job with all this new fangled responsive HTML5 and CSS3 malarkey and what can we learn from their pioneering efforts?