Build a gaming clan website

We are a gaming clan looking for a new Homepage. What we need is a dynamic website, based on a cms. the page should at least include: + a news feed: simplified a blog, with restricetd access based on restriction rule(see below plus public as restriction) + options for private messages within users + dynamically editable gaming groups, e. g. MW2, MW3, ... + user registration and dynamic assignment of users to several gaming groups + user access restriction rules. e. g. admin, member, sqauad-leader, ... + ability to add custom pages later We are seeking for a new design related to gaming. There are no design limitations so feel free to be creative!