video sharing website ( CLIPSHARE / PHPMOTION / CLIP BUCKET)

Post proposals if you have previous experience in such domain. We are in phase of creating video sharing site like YouTube. Using few available video script or considering other options. We are evaluating few options and would go ahead with the team which is having experience in video site development and could come with realistic explanation for some of the questions raised bellow. We would be expecting around 25000 +/ Month visits in few months time What is the review of these bellow given video sharing scripts (Clipshare / Phpmotion / Clip bucket / any other ) based on bellow given points. 1) Performance and scalability of these all scripts. are these scripts are good for scalability / performance of large no of connections and many concurrent connections. 2) What would be server configuration required ( No of CPU / RAM / Band width ). 3) What is the usability / bugs experience with these scripts. 4) Reliability of these scripts. 5) What is the adaptability for new template chances for these scripts. 6) Any other better script from your experience which are fit to all of above questions and you will be modify these. 7) Future script modifications possibilities for enhancing features. Let us know your views for above questions based on this we will decide with whom to go ahead with further discussions. Please answer and bid only if you have experience in video website development.