Okay, I guess this is in the too hard basket??
I know the Rootsmagic duplicate Source utility needs improvement but for my interest could you take the Source and Citation stats from Properties (when duplication is prolific) and then run all Rootsmagic Automatic Merges, Source Merge and compare properties afterwards just to see?
I know you don't want to be doing that all the time but it would be an interesting test of how well Rootsmagic can or cannot handle exact duplication.
Duplication is becoming a REAL problem and needs REAL soultions imo.