IMO i think alll of them will deliver - theres more variables than just the mill. The users ability to set the gap correctly to suit THEIR equipment be it BIAB or 3V or other wise. The speed the grain is crushed at - mechanically driven or hand cranked.
I think that even the best mill can root grain with the wrong opperator. I think if you spend the time to understand your equipment and set your mill to the correct settings I think pretty much any decent mill (millmaster, monster, crank', barley crusher, Marga etc) will produce good results provided the opperator sets the machine up to suit their other equipment and spend the time to get to know their mill and how its settings effect other parts of their brewery.
I guess the point I'm trying to make is that once you make a decision on which mill "feels" right to you then you still have a lot of work to go testing gap settings, mill speeds, hopper designs, wether you want to try double passes or if you want to avoid them etc.