This is simply amazing. CSS3 is a wonder to behold. The alphabet rendered entirely in CSS3 and The Opera logo rendered entirely in CSS3. I'm not sure if either of these make for practical usage of the power CSS3 gives, but they do certainly demonstrate the limits (or lack of) that web developers can now start pushing towards.
If the two links above don't look like an alphabet or the Opera logo, try a better browser. Firefox 3.6, Chrome 4 or 5, Opera 10.5, or Safari are all wonderful alternatives to that internet explorer dinosaur.