I think dcc sounds are a matter of personal opinion,plus a variety of numerous variables. For instance,which speaker to use & where to fit it.
If people want to go down the EM speaker route that's up to them.
I personally think the Zimo Dumbo speakers are the way to go which ever retailer you get your sound scheme from.
Steam sounds seem to be the most difficult to replicate,but with locoman & wheeltappers concentrating on steam sounds, they will get better.
For me which ever sounds I get for my DP2, who can say " that doesn't sound right".