Horrible shopping cart platform and the support is just as bad. A dev partner bought it from a dying company and then instead of putting all the features they developed for it to improve it and make it competitive, they make you pay extra per item. So out of the box it is garbage and plan on paying a bunch more to extend which can be very expensive. We have spent over $30,000 trying to update the cart to be competitive. There review system and mobile features out of the box are horrible to customize. The mobile which was advertise as the new outstanding feature does not even have mobile checkout. But the new owners do have that and make you pay a monthly fee. The front end is also done poorly in a CSS and mostly in tables. Use Magento or Znode, I have been working in both and from a really supportive community perspective Magento works really well and is beautiful out of the box.
Feel free to contact me, I have used this product for 3 years for 6 major appliance brands and can give you the reality of the situation.