The Emmy Awards have already been announced in the Creative Arts Categories.
"Firefly" won for outstanding special visual effects for a series, and "Children of Dune" won outstanding special visual effects for a miniseries, movie or special. The link
There have been many short-lived, cancelled TV series that have won at least one Emmy, which is voted by their peers (cast, production crew), not by the TV network executives, who prefers Nielsen over Emmy.
Amazon is polling interest on the Firefly DVD collection. Search DVD "Firefly TV" and you get a page saying that while the collection is not yet in production you can sign up to be notified when/if it does go into production.