They're a ways out. If I had to guess I'd say late fall at the earliest, though I'm guessing that Bang & Olufsen is working as hard as they can to launch it in time to miss next Christmas.
EDIT:
Simon, you will not be disappointed. They are really sexy and answer many of the calls for "features" in a very Bang & Olufsen way.
There is scarcely anything in this world that some man cannot make a little worse and sell a little more cheaply. The person who buys on price alone is this man's lawful prey. - John Ruskin