A new possiblity for you is using online web forms with a self-totaling component. Here are a couple of examples: https://www.fospace.com/FOSformexample103.htm https://www.elbowspace.com/FRHformexample8.htm It seems you can add products and prices to these forms and when in use, they calculate totals, tax & shipping with each stroke of the keyboard. The grand total can then be passed to Paypal or Authorize.net for payment. The difference between this and a standard shopping cart is all shopping decisions are made on one web page and sent to the server only once.
