Right now I'm thinking the top matches for WrestleMania 29 end up like...
WWE Championship
The Rock (c) vs. CM Punk
No Holds Barred
The Undertaker vs. Brock Lesnar (w/Paul Heyman)
John Cena vs. Daniel Bryan
World Heavyweight Championship
Dolph Ziggler (c) vs. Chris Jericho
Randy Orton vs. Sheamus