There are some page transition effects that are new as well. Not sure what browser you need to be using to see them, but I'm using Safari.

When I load the "Mac" section, the icons for the various models of Mac sort of spring outwards to fill the scroll area.

Clicking on any of the other categories on that page (like Applications, Accessories, etc. result in a offloading of old icons + reloading of the new category icons that includes the same spring/jiggle.

Also, when I go back to a previous page, like the main page, the navigation bar animatedly drops down from nowhere on page load.