These are interesting things I've found on the internet.
gizmag Article: Unlimited storage on the way.
gizmag Article: Unlimited storage on the way.: "December 21, 2005 Those of us who can just never have enough portable digital storage will be heartened to hear that Hitachi Global Storage Technologies is working on a 5 terabyte 3.5 inch hard drive aimed at the PC market. Though it’s not due until 2010 – less than five years from now – it’s a reminder that the technological bar is being raised significantly every day, regardless of the industry."