Ebay clone and some modification

Hi, we need an Ebay clone coded with a Php framework like zend, cake php, code igniter, or some thing like that. And must have 3 tier architecture. It should be easy going for high traffic with load balancing. We need to see your ebay clone demo first, if you don't have ready made clone, don't bid! If we like your clone, we will need some modifications coded from you. Please look at attached document for features we will need to be done. We need HIGH QUALITY, so please show us, that you have really experiences in this field. Only serious bidders are wellcome! Please tell us how much it cost, and most important when you can start and how long it will take. But pleae give me a SERIOUS time, so that i know you really will finish in time. Steps to be done: 1. Finish all website pages 2. Finish all database work 3. Finish all design changes 4. Test and Tuning Conditions: I. We will pay only escrow payment: 1. 25 % when website design ready 2. 25 % after finishing database 3. 25 % finishing ALL website features AND customizing Design 4. 25 % after testing and tunings II. We will communicate via MSN / Skype, and you will give us every day feedback. III. First of all you have to make PROJECT PLAN, which time which feature you will make IV. All software will be done at OUR server READ ATTACHED DOCUMENT CAREFULLY, I will ask you first about it! Best regards.