I wouldn't bother standardizing on one brand or model of decoder. It's more trouble than it's worth. You will need decoders with similar features if you want to consist locos for features such as braking.
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Peter Ulvestad
JMRI Users Group Moderator - ( )
Tam Valley Group Moderator - ( )
Sprog-DCC Group Moderator - ( )
Edmonton Model Railroad Association -
Peter Ulvestad