As one of its daily deals, Amazon offers the Wolverine Handheld Portable Documents, Books and Photo Scanner (pictured), model no. PASS200, for $45.99 with free shipping. That's the lowest total price we could find by $11. It features a twin roller design, microSD card slot, USB connectivity, and more.

Also available is the Wolverine 35mm Negative / Slide Scanner, model no. F2D20, for $82.99 with free shipping. That's the lowest total price we could find by $2, although it was $13 less in a members-only deal last winter. (Most merchants charge $92 or more.) It converts slides and negatives to 20-megapixel JPEGs and features a 2.4" color LCD, SD card slot, and USB. Deals ends today.