I found this excellent article on valuing Facebook (FB).  The author Henry Blodget makes a lot of good points at why Apple (AAPL) and Google (GOOG) offer much more attractive opportunities due to their cheaper valuations, and explosive growth prospects.  Enjoy the article:

http://www.businessinsider.com/what-is-facebook-worth-2012-5

INVESTING IN THE FINANCIAL MARKETS INVOLVES RISKS. OPTIONS ARE NOT SUITABLE FOR ALL INVESTORS.