We are ready to do this project for 75 days (5 days for approval of details, 70 days for work).
We propose to use in u project next technologies:
zendframework + postgreSQL (server client)
Backbone.js + jquery (client side).
Will be work 2 zend coders + 1 frontend developer.
We have experience in produce social networks, site integration with social networks (facebook, twitter, etc..), webtv and etc. Please ask in PM to ask our examples of works.