PSC filed for chapter 11 bankrupcy in May 2007.
Lots of commentary in a thread at EricsonYachts.org: The Starting Point on Ericson Yachts!
Has PSC given up on Ericson? - EY.o Information Exchange
They retreated from Ericson parts and information support some years ago, and for reasons known only to King Neptune, decided never to build or market newer designs aimed at their thousands of enthusiastic Ericson Yacht product owners. Quite Sad... and equally mysterious.