Hat tip to Civil War Librarian for this update: Museum of the Confederacy Offers Online High Res Digital Images of its Collection. This is another reason why history majors love computers (it's not true that they love computers just because they can't get dates).
Slowly but surely, everything is coming online. Jeb Stuart's saber? Yes, amigo. Zoom in—you can't get that close if you visit it in person, though you should do that too, when you get the opportunity.