If I read correctly I saw you’re going to be doing a tour and possibly training out of the Trenton, NJ base? I have done all of my training out of that location and have loved every moment of it. The training center is located on the second floor of the Signature Flight FBO, down the hall by JetEast Aviation (which is a maintenance center). The ladies at the front desk will phone up to the room when you’re there, just let them know who you are and that you’re there for ATP, they’re extremely polite.
Currently we have 3 Archers (1 of which is a brand new 2020 Piper Archer G1000 NXi with a G5 standby, pretty neat stuff there) and a Seminole on base. We have a brand new G1000 Simulator loaded with the Piper Archer which is approved by the FAA for flight instruction. We have a couple instructors which you can find them all on the ATP website under the Trenton location, everyone is extremely friendly and polite. I don’t feel the need here to echo what everyone else said about the writtens and you seem to gotten the logistics of the recommendations from everyone.
Enjoy your tour and first time experience! If you have any questions about training out of Trenton, give me a shout, I’m soon done, but I’ll be active on the site here.