If you're serious about Facebook, you must understand the Newsfeed, which is not an insignficant challenge. Newsfeed is designed to serve the user, not the marketer. If what you post is uninteresting, it will be invisible.

Social Media Influence: Multiplier Effect of the Facebook Newsfeed, 2011-Jul-28

It may just be that the Newsfeed, and not the fanpage, is the most valuable real estate on Facebook for marketers. So says new research jointly produced by Facebook and comScore that shows Facebook users are 40-150 more times more likely to consume branded content in the Newsfeed than they are by going to the fanpage.