Samsung Electronics Co., Ltd., the world leader in advanced semiconductor technology solutions, today announced two high-density memory solutions for mobile devices. The new storage solutions – a 64-gigabyte (GB) moviNANDTM memory device and a 32GB micro secure digital (microSD) memory card – satisfy mobile handset designers’ requirements for advanced compact high-density memory.
Original article here
Toshiba also announced them in august and promise they'll launch it by spring
128GB iPod Touch, here we come!