Aside from the other points here, Dropbox is much more expensive to get to the amount of storage most photogs have. On top of that, you have to either alter you

Aside from the other points here, Dropbox is much more expensive to get to the amount of storage most photogs have. On top of that, you have to either alter your workflow to be entirely within the Dropbox folder or have a duplicate set, which is prohibitive on a laptop.