Just announced today from Athearn is a run of PS 4427 covered hoppers. 5 total road numbers available. MSRP is $34.99 for the singles and $86.99 for the 3 pack. Reservations are due 4/29/22 http://www.athearn.com/newsletter/032522/11_ATHN_PS_4427_Hopper_032522.pdf
I'm a little late getting this thread updated, but this run of hoppers are available now and have already started to hit the shelves.