Originally Posted by tjsoundguy
I'd love to upgrade, but as a Mac user, it looks like Calibre won't be able to connect to the HD fires. Sadness....
I never connect my KF to a Computer. I just email the books to it or use Send to Kindle. If I want to sideload a book I use Dropbox. Calibre isn't a problem.
Why keep something like that from upgrading?