We've released a slick new javascript powered "lightbox" cart that loads right in your own web page.   You can view a demo of the cart here:

http://www.digitalproductdelivery.com/page/cartdemo

Instructions on how to implement the new cart as well as upgrading old style cart links can be found here:

http://www.digitalproductdelivery.com/support/knowledgebase/vendor/storefront-setup/new-javascript-cart-guide-and-update-information.html