> On stock (and jailbroken) Kindles you can send PDFs or MOBIs to username@kindle.com and have them auto-downloaded to your Kindle. That's no good for me becau

> On stock (and jailbroken) Kindles you can send PDFs or MOBIs to username@kindle.com and have them auto-downloaded to your Kindle. That's no good for me because I tend to do a lot of random edits of my epub collection to fix editing errors, replace cover images with better ones, etc. The reason I want Dropbox is to automatically propagate changes like that, not just to transfer files over.