[soulfuldog]

Since you've already tried a few Forma's and been unhappy, why don't you try an Oasis instead and see what you think of it? There's most definitely not as many configuration options to tinker with as there is on a Kobo, as it's the king of customisation, but to say its bland and lacking.... well as it comes from JS Wolf, that kind of comment is no surprise.

On the other hand, if you use collections a lot on your device itself, as Sirtel says that is one feature you would really miss as the interaction between collections in Calibre and on the device isn't there with a Kindle. Although if you read lots of books in series, you can look at using metadata plugboards in Calibre to sort your books.

If you find you don't like it, or aren't happy with the screen on the Oasis either, return it and then re-try the Forma (and hopefully find one you like within 2 or 3 returns as I'd be wary about returning too many!).