Great thread - here's a list of the latest sub 0.05 J/GH miners from the manufacturers:
TH/s W J/GH
Bitmain S19Pro 110TH 110 3250 0.0295
Whatsminer M30S++ 112 112 3472 0.0310
Whatsminer M30S+ 100 100 3400 0.0340
Bitmain S19 - 95TH 95 3250 0.0342
Whatsminer M30S 88T 88 3344 0.0380
Bitmain S17+ 70TH 70 2800 0.0400
Whatsminer M31S+ 80 3360 0.0420
Bitmain S17e-60TH 60 2700 0.0450
Canaan Avalon 1166 68 3196 0.0470
Innosilicon T3+Pro 67T 67 3300 0.0493
Hope that's useful!