Found a few links via a couple of slashdot blurbs.
My mom ran her company and the family finance from an Osborne. She refused to upgrade long into the IBM era, and so kept an Osborne alive from an eventual stockpile of nearly a dozen of the damn things.

Anyway, here's a really good 4-page article-
http://technologizer.com/2011/04/01/osborne-computer/

and here's an interesting comparison Osborne vs iPad
http://www.stormdriver.com/blog/the-tech-archive-30-years-of-mobile-computing/

/anyone want an Osborne?