The 115 cardinals under 80 years old, who can vote and can be voted for are now in Conclave. You can watch a Live Stream, mostly a shot of the Sistine Chapel chimney, who apparently is now on Twitter. You can get acquainted with the 2013 Papabili using Wikipedia's List of Papabili.
The Papal conclave will soon begin, and at least two blogs have appeared that offer news and commentary on the process.
The conclave of cardinals will soon start the process of choosing a new pope. Have you filled in your brackets yet?