Amazon Kindles are already great e-readers. You can now get even more out of them by getting a Kindle + Kindle Unlimited Bundle. The Kindle + Kindle Unlimited Bundle sets you back $99. The promotion includes 6 months of Kindle Unlimited access. Fire HD 7, Fire HD 6, and Kindle Paperwhite are also available, but those bundles will set you back $169, $129, and $149 respectively. What do you think? Worth picking up?