Filed under: StorageUsually with SanDisk flash announcements we just list a new higher capacity and post a shot of a memory card with the new number on it, but this time around the announcements are little deeper: two new memory technologies. The first, which will go into production in March, is a 16-gigbit flash chip that contains three bits per cell, based on Toshiba's "3D" flash tech we heard about over the summer. The chip offers 8MB/sec write performance, but is much smaller than