Mallory dual point

Actually the electronics are slower. It's called slew rate. Since its predictible, it can be compensated for in the curve if you know its there, or in a few over the counter products its suppsedly done in the electronics.

Points are a certainly harder to setup, especially duals points in the back of the engine. And they do wear out over time. As far as providing better ET or MPH, if everything is set up good, power is really not to be had in the ignition. Some fancy stuff can help in compromised situations or in high HP race engines.