Rather like Nokia and its market share obsession, Nintendo just can't seem to stop talking about its hardware sales lead. The company's US chief, Reggie Fils-Aime, recently dished some NPD data detailing the specific advantage that the Wii has over its competitors in the US since the current console generation launched: Mario's team has managed to sell 30.4 million units of its hardware, followed by Microsoft's Xbox 360 at 21.9 million and Sony's PS3, which lags somewhere far behind with 13.5 million total sales. On the more mobile front, DS sales have ratcheted up to 43.1 million, more than