If you want to read more information about an item, then click on the item name, item picture, or "more info". This will take you to an item description page that has much more in depth feature information.
If you know what you want and you want to see the special sale price, then click on the "Add to Cart" button of that item. You may be directed to the product page if there are important options that you must specify before you can add the item to the shopping cart and see the sale price. Just select your application from the menu near the top and then click on on the "Add to Cart" button again