10 CSS3 Features you will Love
some pretty useful CSS3 features to get you going with your designs
Article about using CSS3 to create drop down menus for navigations and other items that might require a drop down.
good list of tutorials and best practices for using HTML 5 and CSS3.
There are exciting new features in the pipeline for Cascading Style Sheets that will allow for an explosion of creativity in Web design. These features include CSS styling rules that are being released with the upcoming CSS3 specification.

UI components like galeries, accordian menus, charts, navigation all done with pure CSS. Good all around collection.