Lionel has the Penn Central SD38 diesel loco, PC gondola with scrap load, PC N5b caboose, and PC 8-door 86' Hi-Cube Boxcar in the new catalog.
Atlas O has a Trainman Penn Central gondola in 2 road numbers coming.
Atlas just announced new road numbers for their Master Series Penn Central Caboose.
There are a decent amount of scale items announced considering it is the Penn Central.
Andrew