New Mozilla site, browsers, and mail client; Web design practices
Dave Shea has redesigned the Mozilla site in a gorgeous CSS treatment. There are some minor problems in IE 5.5 and Opera 7.x, but overall it’s a great example of how progressive enhancement can improve design (try rolling over the sell boxes on the right). Nice touch: headlines become standalone boxes on roll-over.
View all (it might be a looong page, though)