While Toshiba's sittin' pretty with its 200GB perpendicular laptop drive, Samsung is finally deciding to join Hitachi, Seagate, and Western Digital (just to name a few) in the perpendicular byte stacking game.
As independent head and media suppliers in an increasingly consolidated market, TDK and SDK carried on research and development that allowed them to introduce advancements such as perpendicular recording in Toshiba products in 2004, many months before the other hard disk drive companies could bring their perpendicular recording products to market.