Hard Disk Drive TechnologyIBM has the biggest/smallest/densest hard drives on the market:- The first 75GB 3.5 drive (http://www.storage.ibm.com/press/hdd/2000315.htm). *** Updated ***- The revolutionary 340MB microdrive (the size of a quarter dollar) that can be used in digital cameras, MP3 music players, and other small devices (http://www.storage.ibm.com/press/hdd/micro/990617.htm).- The third