Dark roast is not dead. Actually, most of the population of the USA are still...
Floral properties of certain coffee lots are highly desired.. How can you highlight these properties?
In roasting a higher rate of rise will help these floral aromatics to shine. Do not roast too dark, because this will suppress these properties.
In brewing you can experiment with slightly coarser grind and higher coffee:water brewing ratio.
Allowing a 72h+ rest time after roasting can help a lot.