The Pacquiao - Mayweather fight may soon become a reality if both parties will agree. Series of tweets from Mayweather stating that he wants to fight pacquiao on 5/5/12 (before his scheduled detention July this year).
Though both camp didn't confirm anything since the deal is not yet sealed, One thing is for sure Pacquiao will fight on the first half of this year. And it would be very good if Its between the two best fighter of this decade.

Lets just wait for updates and hope for this fight to happen.