The still face some big hurdles with all their streaming content deals, and the outcome will likely be what makes or breaks the Netflix we all know and love. Premium content providers (HBO, Starz, and now AMC, etc...) will always hold the upper hand here, and many already have streaming products in place. If not, its rather trivial to create nowadays.
My prediction: Netflix becomes an original content powerhouse that harnesses the sort of democratic whimsey of the web. "House of Cards" is their toe in the water. I really see no other direction that is feasible with content providers fragmenting into their space and hoarding their popular original content.