The 489 obsession

For me the 742 is the most trusted. It was the last 8-3/4 3rd member you could buy a 4.86 Pro gear for as I remember. No longer (too bad). The MP aluminum case was also based on the 742. I last ran the MP aluminum case with 4.86 pro gear with no failures. I smashed a few 489 gears in my life. Probably not the fault of the 489 though. I can't really quote experience with the 741. FWIW.