Social Networking Site Similar To Web Date

Need a social networking site(s). Similar to / clone of [login to view URL] or [login to view URL] Quick delivery. Plug ins are instant messaging, live chat, email, photos and yes we'd love video and mobile if able to do so. Open source code is acceptable. We must be able to make updates/changes via simple cms such as joomla/drupal. Please advise. This social network/dating site includes a job board, classifieds, red carpet events social roster and an online magazine. We have three of these projects in our slate. Will provide the design files psd. Must test to top relevant browsers. We have already tested previous software and want to stay away from certain applications due to failing our final testing phase and poor tech support. We need an expert programmer who can take these projects from start to completion.