Its a tough call. The Indy Stunt show still pacls the in after 15 years, but it is getting a bit long in the tooth. Businesswise, I see no need to replace it. Entertainmentwise, I think its a great idea.
Most of the rumor sites have picked up on this now, but they could all just be reading Screamscape. In the end, my guess is there is about a 30% chance this will happen.