I think it will become a good business decision soon.  Sure they have not added a coaster in a few years, but then again: BGW, SFDL, Blackpool, SFFT, Frontier City, and SFA also haven't.  They will probably add some family/thrill rides in 2007, and maybe in 2008 they will build a hyper.  It takes time for a park to become popular when a major draw is gone.(Looney Tunes/Sea World)