Drupal Social Network

We are looking for a talented Drupal developer. Tasks at hand are the following: 1) Create a social networking site with set of regular features such as * video sharing (adding from YouTube, and so on) - ( user can set some of them to favorites) * photo sharing. (import from Picasa) - ( user can set some of them to favorites) * Classifields * integrate with phpBB * Ecard system * Invitation or adress book import from various email accounts including [login to view URL], [login to view URL], and so on. * Social booking system integration * Articles ( user can set some of them to favorites) * Privacy settings - user can set any of his/her photos, videos, articles, and so on to the private/frieds only/registed/everyone * Friendship/Who viewed he/ Profile rating * Reward system for user activity * Integration with review script (5 star rating example) * Future integration with some ecommerce script. * A task organizer with templates * Digg like rating system to content * Personal Blog * Tagging * Multilanguage and UTF-8 support and few others. Each of Drupal node or module used should approved by us. We are professionals, and we like to work with professionals. Please, have some serious Drupal sites in your portfolio. Payment upon completion of a milestones upon agreement. We are not accepting prepayment, since we got "burned" twice when a programmer took a prepayment and never done a job,