Chat XXX

We are looking for a complete system design like this web sites: [login to view URL] [login to view URL] Database in MySQL. Code in PHP/XML. Please don't use Javascript/JAVA to develop the CHAT (Our requirement is that the customer does not need to install software in their computer, only the suscription, the payment and login). We'll provide a Virtual PIN Number with a Pre-Paid Card provider (We'll provide all the data to develop the interfase in XML). 100% Peer to Peer System. Front End, and full ADMIN capabilities (The best of the best please). Please provide the Hardware requirements to run this system.