Technaxx DS-01 Negative / Slide Scanner (5 megapixels, SD / SDHC card slot, USB 2.0) (Electronics)
That you do not need to connect the scanner only at the PC, but can use SD cards I find very good. So you can see the images in any location (living room, dining room, ...) scanning. a little hint: so you do not change the SD card after every photo s