I'd love to see a Nomiku, Anovo, whatever else is on the market.
I think the important factors would be for these to be viable recommendations would be as follows -
(Just a few ideas, here) In an online sheet where people could filter and search.
Capacity per Manufacturer.
Heating element output.
Circulation / m (If applicable)
Safety features
Low water
Over heat
Circulation
Long term endurance
Fluctuation
Calibration
48 and 72 h cooks
Maintenance
Cleaning
Clogging
Good/Weird
And so on and on,

Anyone else interested?