Something people are leaving out here is error detection/reliability.

One issue I had with the autometers was that if battery voltage dipped particularly low on cranking, he gauges would become non-responsive, and lock a particular reading. Additionally, if the sensor became disconnected or shorted, they'd show another (erroneous) reading.

The DEFI BF set doesnt care about input voltage, and if a sensor shorts or becomes disconnected, it flashes an error code to let you know something's wrong.

Not to mention the usefulness of the peak/hold/warn features.

Really, the way to go is standalone EMS with a in-dash molded in screen. Sensor readings outside a given window trip the CEL, and I can navigate multiple pages of tailor made gauge pages with steering wheel buttons. Works well, at least for me, that is