Amazon Warehouse Deals offers the used, second-generation Amazon Kindle Fire HD 7" 8GB Tablet for $53.30 with free shipping. That's $7 under our mention of a used one from June and the lowest total price we've seen for this Kindle Fire. It features a 1.2GHz dual-core processor, 7" 1280x800 IPS LCD, Dolby Digital Plus audio, Prime Instant Video, X-Ray for Music, X-Ray for Movies and TV, e-mail and calendar apps, and Fire OS 3.0 Mojito.

Note that this model is in "acceptable" condition with cosmetic imperfections; no warranty is included.