Gauge.js
Gauge.js allows you to add Apple-esque gauges (with shading and reflection) to your webpages. If you use a Mac or an iPod, these gauges will look familiar to you as they are similiar to the disk space allowance gauges.
Pretty gauges...
Including it in your pages is simple. Just add a script include at the top of your site and then call it on a block level element using gauge.add(element).
Related demos