Amazon has the Kindle Wi-Fi eReader (4th Generation) with "Special Offers" for $79 - 40% off with coupon code
KINDLE40 [Exp 8/15] =
$47 with free shipping. Requires an
Amazon.com Rewards Visa Card ($30 gift card w/ instant sign-up, pending approval). Advertisements appear as screensavers and on the bottom of the home screen, though none appear while reading. The
regular version w/o special offers is
$65 shipped with same code.
40% off all Kindle Accessories w/ code KINDLE40 (requires Amazon Visa)
So it turns out that this credit is only good up to $100 total. So if you try to buy more than 3 kindles, the deal is no longer valid.
Haven't seen that mentioned anywhere. Possibly I'm the only fool trying to buy 4 kindles.