Pokershak.com is a good example of a database driven site that incorporates computer animation, streaming video, and dynamic content.
Elements of the site, such as Chipsets in the "Steals and Deals" section are entirely database driven and dynamic. The page displays only the chips the proprietor has available, and dynamically modifies the following pages to match what the customer chooses. Proper quantities are preselected to prevent the customer from making a mistake.
Almost every page has computer animated preview links at the top left that will dynamically display high quality streaming video
3D modeling and animation can be used for visualizing.
3D-Design, Photography, Image Manipulation/Restoration & Print Design Examples: