Big project - Teens/young Adults Site

Quite a big project here I am looking for A clone of [login to view URL] / [login to view URL] but want added options where there is a premium accounts which are paid for via paypal added feature of a buddy list where you can talk to your buddys I want area where users can play games/chat area/ I would also like your ideas Key point is that you are on messenger so that I can talk with you, whenever needed must be SEO friendly Please only bid if you can handle big work