Epub is the universal format. Kindle formats are not compatible on anything but a Kindle, whereas Epub formats are compatible on every single reader except a Kindle.
You definitely have more freedom with an ereader that uses Epub.
B&N uses Epub, but their DRM is restrictive and won't let you read their Epubs on other non-Nook Epub-reading devices. They also won't tell you whether the book you're buying is DRM'ed or not - basically they don't tell you what you're paying for, and you just have to take the risk. The Nook also apparently does some folder tricks with non-B&N books on your device to separate them from each other. I don't know what purpose that serves other than making things more difficult.
I use a Kobo Touch, which I think was just released Down Under. Kobo is sort of the #3 "underdog" in the ereading market, but they're much freer and more open about format and the Kobo store doesn't refuse to tell me what I'm buying. I appreciate that, and I'm very happy with mine. It also gets much more frequent updates with features being added all the time. There are even a couple reps and beta testers hanging out in the Kobo subforum here, and you can submit requests directly to them.
|