Thomas Vander Wal has been thinking about the Personal Information Cloud of devices and information that roam around with you. iPIM and Chandler have a chair at the Personal Info Cloud
There are two articles that are direct hits on managing information for the individual and allowing the individual to use the information when they needed it and share it as needed. Yes, this is in line with the Personal Information Cloud.
The articles in question are The inter-personal information manager (iPim) by Mark Sigal, where he talks about the joys of Searching, Saving, Organizing, and Sharing personal information in today's world. The other is Trash Your Desktop on Mitch Kapor's Chandler project. People in the personal information management space have been drooling over the Chandler project for quite a while. Thomas has additional thoughts in the full entry.