Complete Web Portal System

Hello Programmers & Developers, I am looking for a complete web portal that is prebuilt and ready to be installed. I want a portal that has all of the following features: Search Engine: Pay Per Click Car Classifieds User Profiles / Pages Real Estate Classifieds General Classifieds Auctions Job Listings Events / Event Calendar Mail System: User can sign up for Email Address Internal Messaging System / Instant Messenger Chat Room Blogs Stock Quotes Newsletters Who's Online Business Directory News Refer a Friend Hot or Not Horoscopes Match Maker / Dating Classmates / Alumni Profiles Affiliate Program Weather Forecast Information Admin: Advertisement System. Banners, etc. I would like to have as many features as possible. Please provide demos. Thanks!!