Quoted from NoSkills:

It would be useful to have a general idea on timelines. I know stern probably doesn't want to put out a list because then when they are delayed people complain but maybe an order list with an estimated amount of time on the line instead of dates which gets updated when a run is finished. Then you could at least see 'oh my Elvira Premium is 5th on the list and each run before it is running for estimated 30 days' or whatever.
I only have space for a couple of machines so I have to do 1 in, 1 out. I've had a Deadpool on order since July, if I'd sold one of mine because I thought it was coming in December I'd only be left with 1 machine for who knows how long (1st world problems I know) Equally I don't want to be caught out with 2 days notice that its coming and no time to sell a machine for space.
Realistically though the list is probably too fluid to do something like this and when something jumps the queue people get upset. Guess whatever they do people will complain lol so there's probably no right answer