I was fretting too, I think it still has enough of a cult following to last a few mories series. Probably three or four more. That said, I really think they need to re-vamp the house. Like, BUILD A NEW ONE.
Why oh why can't they do an international twist, I would rather go on BBUS than BBUK anyday. I would seriously step over my nana for a green-card to play BBUS. Although I'd probably have a Willie-style meltdown trying to keep up with all the lies!