I think Snoop Dogg would be great, as one of those special guest hosts. He's still a famous guy, and playing up the real life bodyguard angle would be the easiest way to get Brodus Clay over with the crowd. Either as a face protecting Snoop from somebody, or as a heel turning on him.
I really want to be optimistic and hope that Rhea is going to interfere and force the triple threat at WrestleMania, but I must admit I'm nervous and unsure about this one. It would be tragic if they gave away Bianca's dream match on free TV with no real promotion and she lost clean.