As far as I know kennywood is only getting more capacity on PR. I might be wrong, as their "no season passes" bit keeps it from really being a home park, even though I live ten minutes away. At my other home, SFWOA is getting some more stupid animals? Grrrrrr, it sucked when it was called SeaWorld and competently run...
The Cleveland zoo has a nice aquatic section if you aren't into being sprayed by a whale's toilet water.