Whatever Toshiba can do, Samsung can do um, equally well? Evidently that's the game being played over at IFA, as the latter company has issued a 640GB portable hard drive of its own nary 24 hours after Tosh did likewise. The unspeakably cute S2 portable is getting a much-needed capacity bump, making the largest drive in the line 640GB. In related news, the company's 3.5-inch S3 Station external HDD has seen its maximum storage level creep n
