Apache OFBiz / Opentabs e-commerce portal

I need Apache OFBiz / Opentabs e-commerce enterprise platform modeled on [login to view URL] with x-cart features. You can place your bid for main project and send me a seperate price list for each addons not found on actual Apache OFBiz that will have to be developped for my personal study. You can send me your suggestions as far as this project is concerned and they will be the most welcome. Please check atatched file document.