Autotrader style site

Looking for someone to develop a property advertising site - a cross between www.autotrader.co.uk. and [login to view URL], Need the abilty to list properties to buy & to rent and search them. we would like to have the following features. user must be able to list cars / phhotos and pay via paypal. Admin Features: Secure Login Required Admin Area Display Users Online Stats Add Unlimited Administrators - restricted to areas Supports Unlimited Users Optional Enforceable Registration Total User Management and Stats Online FAQ Builder Instant and Pending Registration Toggle Instant and Pending Listing Post Toggle Edit Any PHP Template File From Admin Supports Paypal, WorldPay, and 2Checkout Scalable to Add Additional Payment Solutions Newsletter Mailing System Suspend Users Delete/Edit Users Browse or Search for Users (many search options) Fully Editable Template Full PSD/Source Files Included Sliced HTML Version of Template Included Full Banner Set Included Full Corporate ID Included User Features: User Registration Seller Registration Dealer Registration Buy Pay Per Click Ads Save and Manage Listings Save and Manage Searches List a Property and Pay Per Listing List a Property by Subscription Update/Modify Property Listings Add Multiple Images to Listings Search for properties by 5 Criteria Select Properties by Newest Property Search for All Properties Listed Contact Property Sellers Directly Participate in Polls Subscribe to Newsletters Browse Website by Sitemap Send Property Listings to Friends Printable Page for Listings Mail Shoot Contact Form User Password Lookup System View Total Cars Listed Side advertising bar for area specific ads.