I rode their positioning trip last month from Chicago Union to Washington Union last month. Very nice car. I was too late to get a sleeper, so slept upstairs in the dome. They're not going to allow that (non-sleeper passengers) anymore because of some whining and failure to follow protocol (stupid railfan stuff, helping themselves to provisions in the pantry/commissary, sleeping on the floor, really stupid stuff). Hopefully, I wasn't an offender; I did stay up late talking at what I hope was a low volume, and I do snore (so I'm told).
In any case it was a very nice trip, nice car, and the attendant provided great service. The breakfast and lunch was DELICIOUS! And the car itself was nicely maintained; one of the afore-mentioned railfans was complaining about the lack of amenities, the comfort of seats, etc. My opinion was you're getting a VERY low cost positioning move ($150 for sleeping upstairs in the dome, $250 for sleeper), follow instructions, and don't whine. It ruins it.
Remember, these folks put a lot of love, and of course, money into their cars. You have to respect that. I certainly felt some of the comments being made (not by me) were not respectful.
And we got a lot of information on Amtrak's policy for PV's going forward, how AAPRCO felt, varying opinions, Anderson's intent, etc. Nothing I'm going to share here, because I felt the discussion was, in a way, "privileged".
If you want to check out more information on the Moonlight Dome,
http://www.cincinnatirailway.com/" onclick="window.open(this.href);return false;
I believe they also run dinner excursions in Cincinnati.