From the Matt Ouimet interview:
"Last week, the company reported near-record attendance and a 63 percent total return to investors for 2012"
I think Kings Island can support an expensive new coaster, I also believe the demand is there.
Not installing it this year gave them more time to clear SoB land, also attracting thrillseekers from KI region to travel to Cedar Point to ride Gatekeeper, thus selling Platinum Passes in the process.