I'm willing to bet Anderson Silva fights Hector Lombard next for the title. As long as Lombard gets past Tim Boetsch, which I think he will.
After that I give Silva MAYBE two more fights, then he retires from MMA. 3 fights left in his career, I think. 2 title defenses (I see him picking apart Hector Lombard), and then either Michael Bisping or the winner of the Mark Munoz/Chris Weidman fight... and in his last fight, possibly an Anderson Silva vs. Jon Jones superfight at light heavyweight.
Going back to the mention of Hector Lombard. I could see a Lombard vs. Vitor Belfort fight in the near future as well. After Vitor and Wanderlei Silva fight again since Vitor got injured. And after Vitor and Wanderlei fight again, Wanderlei will retire.
Those are just a few of my predictions.