Mac wants to hear some opions on coupler options:

I need help to decide which couplers to use where - mechanical-magnetic release, electromagnetic as an option or the new dcc controlled coupler. I need help to decide which to use where. All the help would be greatly appreciated.

I am setting up a new HO gauge layout. I have been out of touch for a while. Need some discussion on use of electro-magnets in roadbed to selectively uncouple cars, also info on the new dcc controlled couplers. Any assistance would be greatly appreciated.

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