I like the idea of a Mack multi-launch like Helix. Maybe with a nod to Vortex having a Boomerang in the same spot. So many possibilities in that big area.
If I had to guess, I'd say Vortex was originally going to be around one more year. But with the urgency of a paint job, it didn't make sense to spend the money on an outgoing ride. 2022 for a new coaster seems feasible.