Well worth watching if you have the time, Buddy Media's Michael Lazerow gave a talk at LeWeb in December looking at Facebook Page best practices. If you're short of time, his deck is below:

And as a special extra bonus, you can also see the panel discussion that followed Michael's talk - Going beyond creating a Facebook page, featuring Victoria Ransom, CEO of Wildfire, Jan Rezab, Co-Founder & CEO of Socialbakers and Matthieu Chéreau, Founder & CEO of Tigerlily: