Nothing moves, flashes or makes noises. If you do anything out of the ordinary, it will attract attention. If you know how to use advanced programming so it enhances your message more than it distracts, use it. Usually it makes a site look amateurish. There's nothing wrong with a professional-looking simple site.
Additional space devoted to that topic can only hurt the sale.
The feature page produces emotional sparks in the visitor. If you want to explain a topic in more detail, create a new page and provide a hyperlink to it. The visitors who are especially interested in this topic may go there. The others need different emotion-sparking topics, quickly. Introduce the most general sparking topics first.