I rode in them in 1997. I think I saw one in a train in 1999.
I heard or read somewhere that some were being considered for re-conversion back to box cars.
In order of preference, I like caboose 05635 then the open rider gon then the box car coaches and finally the regular coaches. I prefer the box coaches because they are/were less populated than the regular coaches.
If the C&TS reduces the fleet of box-coaches, I hope they are not eliminated like the 6500 series steel flats were eliminated for the steel coaches.