Has anyone here had experience with the photo cart software from picturespro?

http://www.picturespro.com/pages/pho...shopping_cart/

I currently have a smugmug for selling prints to customers, but when you're dealing in high volume, and as my events will expand 100% next year, we're talking about the smugmug 15% commission becoming thousands of dollars.

I don't have any problem fulfilling orders myself, I just want to know peoples' experience with it or similar print fulfillment carts.

Thanks for any help!