How to move to different shopping cart avoiding mistakes and data loss? can this process be automated?
Now it's quite easy with web service called Cart2Cart that automates the migration from one shopping cart to another. Different migration options are possible concerning following shopping carts: CRE Loaded, X-Cart, Zen Cart, Magento, Pinnacle Cart, CubeCart, etc.
Service is currently running in beta mode. All registered users get additional 2 500 credits for free.
Get more info at Cart2Cart - Automated Shopping Cart Migration