Originally Posted by 49Kat
With a Kindle, you're stuck with Amazon, but with the Vox, I can buy books from Kobo, Kindle, or even Aldiko. Or Sony. Or even Nook,..)
Not accurate. You can sideload apps on the Kindle Fire without rooting. Same setup as the Vox. Simply enable it within Settings. I have the NOOK app and other eReader apps on mine. Perhaps I'll load the Kobo app when they put a tablet version in the Android Market.