Folks, we need your comments (suggestions, critics, kudos) on our new checkout flow for X-Cart v4:
OPC without X-Payments:
http://cloudsearch.x-cart.com/public/xcart
OPC with iFrame X-Payments:
http://cloudsearch.x-cart.com/public/xpayments
We want to improve checkout routine in one of our next X-Cart releases. Your active help is welcome!