If you want to focus on Web features:

• See Create compelling Web designs for an introduction to the powerful Web tools.
• See Creating and viewing slices to explore layer-based, user-defined, and automatic slices.
• See About optimization to learn how to fine-tune your Web designs by applying transparency, dithered transparency, or weighted optimization.
• See Using the Rollovers palette to see how easy it is to manage slices, rollovers, image maps, and animations.
• See Creating and editing animations to learn how to create instant GIF animations from layered Photoshop and Illustrator files.