I have to say, I'm enjoying my FREE Kindle Fire from FirstBank. Amazon has some free Kindle books, prices change constantly so double check the price before downloading:
Today only, Amazon is offering their Kindle Fire (refurb) for $136 Or, if you're in Co or AZ, sign up for a free checking account through FirstBank and get one for FREE after you initiate 3 billpayments or process at least 1 direct deposit greater than $300.
You can also try your luck at Target. Starting tomorrow, they'll be clearancing out their Kindles. Discounts start at 30% the first week, 50% the next and 75% off at final markdown (if there are any left at that point)