Today, reported by chessdom.com, the beginning stages of the WCC Cycle have been set, and if there are no more replacements(remember, Magnus Carlsen dropped out of the Candidates cycle and was replaced by Grischuk), the pairings have been set.

   The Candidate matches will take place from May 3rd-27th in Kazan, Russia.

   Here are the two links from the chessdom articie about the WC Candidates cycle:

   Main article

   Pairings article if no more replacements are made

   Here is an excerpt from that second article giving information about the matches and formats system(From chessdom.com)

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Excerpt from the Regulations: 3. 1 Matches Format & System

A - First Round of Matches (8 players)
a1 - Matches System: The player who lost the World Championship Match 2010 (V. Anand or V. Topalov) is ranked No.1, the rest are ranked in rating order using the FIDE Rating List of January 2010. The players are paired the following way: 1 vs 8 (match 1), 2 vs 7 (match 2), 3 vs 6 (match 3), 4 vs 5 (match 4). Each match will consist of 4 games.
a2 - The four (4) winners will qualify for the second round of the Candidate Matches.

B - Second Round of Matches (4 players)
b1 - The Second Round of Matches will start 2 days after the end of the First Round. Any qualified player for the second round of the Candidates Matches can only be replaced by the player he defeated in the first round of the Candidate Matches.
b2 - Matches System: The players are ranked according to the results of the first round of the Candidates Matches: winner of match 1 is No.1, winner of match 2 is No.2, winner of match 3 is No.3 and winner of match 4 is No.4. The players are paired the following way: 1 vs 4 and 2 vs 3. Each match will consist of 4 games.
b3 - The two (2) winners will qualify for the third round of the Candidate Matches.

C - Third Round of Matches (2 players)
c1 - The Third Round of Matches will start 2 days after the end of the Second Round. Any qualified player for the third round of the Candidates Matches can only be replaced by the player he defeated in the second round of the Candidates Matches.
c2 - Matches System: The match between the two players will consist of 6 games.
c3 - The winner will qualify for the World Championship Match 2011.

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   With Magnus not participating in the cycle, the "Top Contender" could be anyone. Kramnik, Grischuk, Aronian, Gelfand, anybody. I want to know your thoughts on the possibilties on the match the winner will this tournament will have against Anand. Predictions, ideas, opinions, anything you want to share. 

  -Mark

I see Kramnik, Aronian, Topalov, and Gelfand going through. Then Topalov and Aronian. Then Aronian defeating Anand for the championship