I was looking at these, and I realized I finally figured out exactly what I want -- I want a vertical messenger bag that can also work as a backpack (I.E. with backpack handles)...or a backpack that also has a handle on top (for the short, briefcase carries), and a strap (as a proper messenger bag or satchel).
Something like this. Is there anything that just stands out as the obvious choice, here? Is Saddleback a good company, should I go ahead and just get that one?
(I've been having shoulder problems -- probably a barb or whatever they're called -- so carrying it satchel-wise for any distance at all is starting to become problematic, with a laptop, and two heavy books. I didn't even bring the books in today.)