Adam Sargant

By default, the categories widget in WP E-commerce is fully expanded. If you have a large number of categories and subcategories this can be a bit too much. The WP E-commerce Expanding Categories plugin wraps the code that is discussed at http://ken.ph/wp-e-commerce-expandablecollapsible-menu/ in a WordPress plugin so that no editing of the theme is necessary, and turns the categories widget into an expandable/collapsible menu.

WP E-commerce Expanding Categories

WP E-commerce Expanding Categories converts the WP e-commerce categories widget into a collapsible menu

Mihai Joldis

After adding a product to the cart the visitor is redirected to the Shopping Cart page automatically. 
You must have WP eCommerce Fancy purchase notifications enabled. 
Should be used only when you have products that do not use Stock.

WP eCommerce Checkout Redirect

After adding a product to the cart the visitor is redirected to the Shopping Cart page automatically.

WP E-commerce Expanding Categories vs WP eCommerce Checkout Redirect