Daily Deal Website Development

I need a website built that will function similarly to [login to view URL] [login to view URL] Website and logo needs to be very clean but catchy design, W3c Valid XHTML CSS, Semantic coding, Solid HTML page structure, proper php syntax, cross browser checked, no flash The site can be based on the Magento or Drupal or better yet php from scratch. We need to be able to control the site through an interface, with a secure login, so that an administrator can login. Feature requirements 1) Ability to post new deals with following info: deal info, end date/time, amount of discount, countdown timer 2) Option to share the deal on facebook, twitter, email. or bookmark 3) Allow customers to create accounts, sign-in, buy deals, provide payment info, get order status 4) Facilitate customers to sign-up for deal e-mail alert 5) Facilitate secure payment option with direct credit card transactions. 6) Paypal support 7) About us, contact us, How the site works sections 8) option to subscribe to RSS Feed 9) When a deal is over or sold out before, it is displayed on the main page , but users cannot buy it anymore This is feature bellow is only optional, you may bid with or without affiliate module 10) affiliate signup, tracking, setting commission rate, generate affiliate codes and links, and commission payout and reporting