Apple-like Retina Effect With jQuery – Tutorialzine
http://tutorialzine.com/2010/06/apple-like-retina-effect-jquery-css/
Targeting the iPhone 4 Retina Display with CSS3 Media Queries - WaltPad
http://blog.iwalt.com/2010/06/targeting-the-iphone-4-retina-display-with-css3-media-queries.html
Targeting the iPhone 4 Retina Display with CSS3 Media Queries - WaltPad
One area of Web design that is going to become more important in the coming years is high DPI
the iPhone 4 Retina Display with CSS3 Media QueriesAral Balkan · How to make your web content look stunning on the iPhone 4’s new Retina display
The moment you first lay eyes on the iPhone 4's new Retina display, you are ruined. No other display will ever make you happy. Not unless it, too, is a Retina display. You start seeing pixels everywhere. My beloved MacBook Pro's screen? Pixels. The iPad I bought a few months ago and couldn't leave aside? Pixels.
Aral suggests some techniques to target the new super amazing display. The methods include media queries, javascript, svg and a few other sneaky techniques.
Cool blog/site about mobile dev and design and stuff
iPhone 4 でイメージを美しく表示させるためのコーディング方法
If you want your applications and web sites to look beautiful on the iPhone 4's new retina screen, you're going to have to create high-resolution versions of your bitmaps and/or use vectors.