I heard about this RS4 cabrio model, Dr. Martin Winterkorn, Chairman of the Board of Management of AUDI AG confirmed this car for production in an recent interview in Auto Zeitung mag. I think the B7 RS4 looks sweet in cabrio version !!! One thing is sure, expect to see a very expensive price for this RS4 Cabrio like all convertible cars.
BTW here another PS picture of it:
